TED Recommendations

Saad Bhamla: The fascinating physics of insect pee - test

• Renata di Tullio Por qué deberíamos comer más bichos (23) test
• Molly Winter The taboo secret to better health (23) test
• Marcel Dicke Why not eat insects? (21) test
• Marlene Zuk What we learn from insects' sex lives (19) test
• Emma Bryce Should we eat bugs? (18) test

Sabine Doebel: How your brain's executive function works -- and how to improve it - test

• Dorsa Amir How the Industrial Revolution changed childhood (28) test
• Stephen Ritz A teacher growing green in the South Bronx (27) test
• Sara DeWitt 3 fears about screen time for kids -- and why they're not true (27) test
• Rita Pierson Every kid needs a champion (25) test
• Gabe Zichermann How games make kids smarter (25) test

Safeena Husain: A bold plan to empower 1.6 million out-of-school girls in India - test

• Monique W. Morris Why black girls are targeted for punishment at school -- and how to change that (56) test
• Leymah Gbowee Unlock the intelligence, passion, greatness of girls (53) test
• Kakenya Ntaiya Empower a girl, transform a community (52) test
• Angeline Murimirwa School is just the start. Here's how to help girls succeed for life (52) test
• Kakenya Ntaiya A girl who demanded school (46) test

Safi Rauf: My 105 days in Taliban prison -- and a call to aid Afghanistan - test

• Kiana Hayeri A photographic journey through the Taliban's takeover of Afghanistan (35) test
• Tamana Ayazi and Kat Craig The danger and devotion of fighting for women in Afghanistan (33) test
• Ashraf Ghani How to rebuild a broken state (31) test
• Jeremy Gilley One day of peace (28) test
• Shabana Basij-Rasikh The dream of educating Afghan girls lives on (28) test

Safia Elhillo: "To Make Use of Water" - test

• Elizabeth Stordeur Pryor Why it's so hard to talk about the N-word (40) test
• Gareth Gaskell How do our brains process speech? (31) test
• Suzanne Talhouk Don't kill your language (30) test
• Erin McKean Go ahead, make up new words! (30) test
• Terry Moore Why is 'x' the unknown? (27) test

Safwat Saleem: Why I keep speaking up, even when people mock my accent - test

• Rupal Patel Synthetic voices, as unique as fingerprints (38) test
• Rébecca Kleinberger Why you don't like the sound of your own voice (37) test
• David Perry Are games better than life? (34) test
• Yana Buhrer Tavanier What is "normal" and what is "different"? (33) test
• Kris Alexander How video games can level up the way you learn (32) test

Sahaj Kaur Kohli: Why children of immigrants experience guilt -- and strategies to cope - test

• June Tangney What's the difference between guilt and shame? (36) test
• Andrew Solomon Love, no matter what (27) test
• Ethan Lindenberger Why we need to fight misinformation about vaccines (27) test
• Yuko Munakata The science behind how parents affect child development (26) test
• Jonathan Haidt Can a divided America heal? (26) test

Sahar Zand: Why Iranians are cutting their hair for "Woman, Life, Freedom" - test

• Shirin Neshat Art in exile (36) test
• Christiane Amanpour The fight for freedom in Iran and Ukraine (35) test
• Shad Begum How women in Pakistan are creating political change (31) test
• Trita Parsi Iran and Israel Peace is possible (31) test
• Srishti Bakshi My long walk across India for women's freedom (30) test

Sajan Saini: How do self-driving cars "see"? - test

• Colm Kelleher Is light a particle or a wave? (38) test
• Lucianne Walkowicz Light waves, visible and invisible (37) test
• Harald Haas Wireless data from every light bulb (35) test
• Mary Lou Jepsen How we can use light to see deep inside our bodies and brains (32) test
• Rogier van der Heide Why light needs darkness (31) test

Sajan Saini: How light technology is changing medicine - test

• Lucianne Walkowicz Light waves, visible and invisible (49) test
• Colm Kelleher Is light a particle or a wave? (46) test
• Mary Lou Jepsen How we can use light to see deep inside our bodies and brains (46) test
• Harald Haas Wireless data from every light bulb (43) test
• Lieven Scheire How quantum mechanics explains global warming (43) test

Sajan Saini: The hidden network that makes the internet possible - test

• Harald Haas Wireless data from every light bulb (40) test
• Lucianne Walkowicz Light waves, visible and invisible (32) test
• Colm Kelleher Is light a particle or a wave? (31) test
• Sajan Saini How light technology is changing medicine (29) test
• Andrew Blum Discover the physical side of the internet (27) test

Sajan Saini: What is the universe expanding into? - test

• Katie Mack Life-altering questions about the end of the universe (56) test
• Sean Carroll Distant time and the hint of a multiverse (54) test
• Venus Keus Three ways the universe could end (53) test
• Brian Greene Is our universe the only universe? (48) test
• Renée Hlozek The death of the universe (48) test

Sajay Samuel: How college loans exploit students for profit - test

• Cecilia M. Orphan What makes a "good college" -- and why it matters (41) test
• Shai Reshef An ultra-low-cost college degree (40) test
• Adrian K. Haugabrook 3 ways to lower the barriers to higher education (40) test
• Tim Nevius The exploitation of US college athletes (37) test
• Danielle R. Moss How we can help the "forgotten middle" reach their full potential (36) test

Sakena Yacoobi: How I stopped the Taliban from shutting down my school - test

• Kakenya Ntaiya A girl who demanded school (46) test
• Mary Maker Why I fight for the education of refugee girls (like me) (45) test
• Tamana Ayazi and Kat Craig The danger and devotion of fighting for women in Afghanistan (44) test
• Shameem Akhtar To learn is to be free (43) test
• Leah Chase and Pat Mitchell An interview with the Queen of Creole Cuisine (43) test

Saki Mafundikwa: Ingenuity and elegance in ancient African alphabets - test

• Euvin Naidoo Why invest in Africa (34) test
• Kevin Njabo How we can stop Africa's scientific brain drain (34) test
• George Ayittey Africa's cheetahs versus hippos (32) test
• Charles Robertson Africa's next boom (32) test
• Ngozi Okonjo-Iweala Want to help Africa? Do business here (32) test

Sakinah Hofler: How creative writing can help you through life's hardest moments - test

• Lilly Singh "A seat at the table" isn't the solution for gender equity (33) test
• Laura Vanderkam How to gain control of your free time (32) test
• Mariana Atencio What makes you special? (32) test
• Anne Lamott 12 truths I learned from life and writing (31) test
• Amy Tan Where does creativity hide? (30) test

Sal Khan: How AI could save (not destroy) education - test

• Daphne Koller What we're learning from online education (38) test
• Sal Khan Let's use video to reinvent education (35) test
• Dan Meyer Math class needs a makeover (34) test
• Sal Khan Let's teach for mastery -- not test scores (32) test
• Liz Kleinrock How to teach kids to talk about taboo topics (32) test

Sal Khan: Let's teach for mastery -- not test scores - test

• Sal Khan Let's use video to reinvent education (38) test
• Daphne Koller What we're learning from online education (34) test
• Sal Khan How AI could save (not destroy) education (32) test
• Peter Norvig The 100,000-student classroom (29) test
• Mohamad Jebara This company pays kids to do their math homework (28) test

Sal Khan: Let's use video to reinvent education - test

• Bill Gates Teachers need real feedback (41) test
• Daphne Koller What we're learning from online education (38) test
• Sal Khan Let's teach for mastery -- not test scores (38) test
• Dave Eggers My wish Once Upon a School (38) test
• Olympia Della Flora Creative ways to get kids to thrive in school (37) test

Salil Dudani: How jails extort the poor - test

• Robin Steinberg What if we ended the injustice of bail? (40) test
• Eve Abrams The human stories behind mass incarceration (34) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (34) test
• Robin Steinberg and Manoush Zomorodi The US is addicted to incarceration. Here's how to break the cycle (33) test
• Camilo Ramirez The problem with the U.S. bail system (32) test

Sally Frampton: What did people do before anesthesia? - test

• Steven Zheng How does anesthesia work? (26) test
• Abraham Verghese A doctor's touch (23) test
• Catherine Mohr Surgery's past, present and robotic future (21) test
• Dave deBronkart Meet e-Patient Dave (20) test
• Leana Wen What your doctor won’t disclose (19) test

Sally Kohn: Don't like clickbait? Don't click - test

• Clay Shirky How social media can make history (34) test
• Johanna Blakley Social media and the end of gender (31) test
• Tom Teves A call to end the media coverage mass shooters want (28) test
• Monica Lewinsky The price of shame (28) test
• Heidi Boisvert How I'm using biological data to tell better stories -- and spark social change (27) test

Sally Kohn: Let’s try emotional correctness - test

• Sally Kohn What we can do about the culture of hate (36) test
• Özlem Cekic Why I have coffee with people who send me hate mail (33) test
• Loretta J. Ross Don't call people out -- call them in (31) test
• Scott Dinsmore How to find work you love (31) test
• Ricardo Semler How to run a company with (almost) no rules (29) test

Sally Kohn: What we can do about the culture of hate - test

• Özlem Cekic Why I have coffee with people who send me hate mail (41) test
• Sally Kohn Let’s try emotional correctness (36) test
• Loretta J. Ross Don't call people out -- call them in (34) test
• Wale Elegbede It takes a community to eradicate hate (30) test
• Scott Dinsmore How to find work you love (28) test

Salvatore Iaconesi: What happened when I open-sourced my brain cancer - test

• David Agus A new strategy in the war on cancer (46) test
• Adam de la Zerda We can start winning the war against cancer (41) test
• Jimmy Lin A simple new blood test that can catch cancer early (40) test
• Shekinah Elmore The courage to live with radical uncertainty (39) test
• Jorge Soto The future of early cancer detection? (39) test

Sam Afoullouss: The deep sea's medicinal secrets - test

• Kristen Marhaver How we're growing baby corals to rebuild reefs (37) test
• Alan Jamieson Meet the mysterious "monsters" of the deep sea (32) test
• Sylvia Earle My wish Protect our oceans (30) test
• Paul Snelgrove A census of the ocean (28) test
• Rob Dunbar Discovering ancient climates in oceans and ice (27) test

Sam Berns: My philosophy for a happy life - test

• Serena Williams and Gayle King On tennis, love and motherhood (35) test
• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (33) test
• Emily Esfahani Smith There's more to life than being happy (33) test
• Mesmin Destin How everyday interactions shape your future (32) test
• Martin Seligman The new era of positive psychology (32) test

Sam Harris: Can we build AI without losing control over it? - test

• Nick Bostrom What happens when our computers get smarter than we are? (41) test
• Alex Wissner-Gross A new equation for intelligence (36) test
• Grady Booch Don't fear superintelligent AI (35) test
• Roey Tzezana Could human civilization spread across the whole galaxy? (34) test
• Greg Brockman The inside story of ChatGPT's astonishing potential (32) test

Sam Harris: Science can answer moral questions - test

• Barry Schwartz The way we think about work is broken (37) test
• Nick Bostrom A philosophical quest for our biggest problems (36) test
• Christopher Ryan Are we designed to be sexual omnivores? (36) test
• Stuart Russell 3 principles for creating safer AI (35) test
• Rebecca L. Walker How do we determine the value of a life? (34) test

Sam Hester: How visual storytelling creates better health care - test

• Tony Luciani A mother and son's photographic journey through dementia (43) test
• Elaine Fong My mother's final wish -- and the right to die with dignity (33) test
• Niels van Namen Why the hospital of the future will be your own home (31) test
• Eric Dishman Health care should be a team sport (30) test
• Julia Sweeney It's time for "The Talk" (29) test

Sam Kass: Want kids to learn well? Feed them well - test

• Ann Cooper What's wrong with school lunches (54) test
• Olympia Della Flora Creative ways to get kids to thrive in school (45) test
• Geoffrey Canada Our failing schools. Enough is enough! (45) test
• Jamie Oliver Teach every child about food (44) test
• Stephen Ritz A teacher growing green in the South Bronx (40) test

Sam Kean: What happens when you remove the hippocampus? - test

• Steve Ramirez and Xu Liu A mouse. A laser beam. A manipulated memory. (49) test
• Amy Milton Can we edit memories? (48) test
• Catharine Young How memories form and how we lose them (46) test
• Shai Marcu The benefits of a good night's sleep (45) test
• Lisa Genova How your memory works -- and why forgetting is totally OK (43) test

Sam Martin: Claim your "manspace" - test

• Phnam Bagley Gourmet food for the final frontier (40) test
• Cady Coleman What it's like to live on the International Space Station (38) test
• Moriba Jah The world's first crowdsourced space traffic monitoring system (37) test
• Antony Gormley Sculpted space, within and without (35) test
• James Orsulak Why we need to move manufacturing off-planet (34) test

Sam Richards: A radical experiment in empathy - test

• Ian Bremmer How the US should use its superpower status (40) test
• Dolores Huerta How to overcome apathy and find your power (36) test
• Jehane Noujaim My wish A global day of film (35) test
• Hans Rosling Let my dataset change your mindset (33) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (33) test

Sam Rodriques: What we'll learn about the brain in the next century - test

• Suzana Herculano-Houzel What is so special about the human brain? (50) test
• Kay M. Tye What investigating neural pathways can reveal about mental health (50) test
• Sergiu P. Pasca How we're reverse engineering the human brain in the lab (48) test
• Henry Markram A brain in a supercomputer (48) test
• Ed Boyden A new way to study the brain's invisible secrets (48) test

Sam Van Aken: How one tree grows 40 different kinds of fruit - test

• Rachel Sussman The world's oldest living things (30) test
• Esther Meduna Why our future relies on the genetic diversity of food (28) test
• Richard Preston The mysterious lives of giant trees (25) test
• Yaniv Erlich How we're building the world's largest family tree (23) test
• A.J. Jacobs The world's largest family reunion ... we're all invited! (21) test

Samantha Agoos: 5 tips to improve your critical thinking - test

• JP Rangaswami Information is food (29) test
• Thomas Goetz It's time to redesign medical data (25) test
• Stanley McChrystal The military case for sharing knowledge (25) test
• Patrick McGinnis How to make faster decisions (25) test
• Tom Griffiths 3 ways to make better decisions -- by thinking like a computer (25) test

Samantha Nutt: The real harm of the global arms trade - test

• Keith Lowe Why we need to stop obsessing over World War II (53) test
• Zarlasht Halaimzai What it's like to be a war refugee (47) test
• Yuval Noah Harari The war in Ukraine could change everything (45) test
• P.W. Singer Military robots and the future of war (42) test
• Parag Khanna Where on Earth will people live in the future? (39) test

Samantha Power: A complicated hero in the war on dictatorship - test

• David Lammy and Justin J. Pearson How to be a leader for climate justice (36) test
• Christiane Amanpour The fight for freedom in Iran and Ukraine (33) test
• Gordon Brown Global ethic vs. national interest (32) test
• Parag Khanna Where on Earth will people live in the future? (31) test
• Wadah Khanfar A historic moment in the Arab world (30) test

Samir Ibrahim, MyVerse and Kristen Warren: How hip-hop can make climate action cool - test

• Britt Wray How climate change affects your mental health (29) test
• Al Roker An extreme weather report from America's weatherman (28) test
• Luisa Neubauer Why you should be a climate activist (27) test
• Hrishikesh Hirway What you discover when you really listen (27) test
• Vusi Mahlasela "Thula Mama" (27) test

Samuel Cohen: Alzheimer's is not normal aging — and we can cure it - test

• Lisa Genova What you can do to prevent Alzheimer's (48) test
• Matt Walker What's the connection between sleep and Alzheimer's disease? (43) test
• Ivan Seah Yu Jun What is Alzheimer's disease? (41) test
• Li-Huei Tsai Could we treat Alzheimer's with light and sound? (36) test
• Alanna Shaikh How I'm preparing to get Alzheimer's (33) test

Samy Nour Younes: A short history of trans people's long fight for equality - test

• Jackson Bird How to talk (and listen) to transgender people (68) test
• Archie Crowley Language around gender and identity evolves (and always has) (44) test
• Ivan Coyote Why we need gender-neutral bathrooms (42) test
• Scott Dinsmore How to find work you love (42) test
• John Biewen The lie that invented racism (41) test

Sana Amanat: The importance of diversity in the comic book universe - test

• Mariana Atencio What makes you special? (31) test
• Deeyah Khan What we don't know about Europe's Muslim kids (31) test
• Paul Bloom Can prejudice ever be a good thing? (31) test
• Chimamanda Ngozi Adichie The danger of a single story (30) test
• Michael Specter The danger of science denial (30) test

Sandeep Jauhar: How your emotions change the shape of your heart - test

• Krishna Sudhir What happens during a heart attack? (61) test
• Chuck Murry Can we regenerate heart muscle with stem cells? (56) test
• Edmond Hui How the heart actually pumps blood (52) test
• Akash Manoj A life-saving device that detects silent heart attacks (51) test
• Roni Shanoada How does heart transplant surgery work? (51) test

Sandersan Onie: How targeted ads might just save your life - test

• Sue Klebold My son was a Columbine shooter. This is my story (32) test
• Kevin Briggs The bridge between suicide and life (29) test
• Nancy Lublin Crisis support for the world, one text away (28) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (28) test
• Archie Crowley Language around gender and identity evolves (and always has) (28) test

Sandi Toksvig: A political party for women's equality - test

• Sheryl Sandberg So we leaned in ... now what? (55) test
• Sheryl Sandberg Why we have too few women leaders (52) test
• Cecile Richards The political progress women have made -- and what's next (50) test
• Ricardo Coler Allá donde las mujeres mandan (49) test
• Jane Fonda and Lily Tomlin A hilarious celebration of lifelong female friendship (48) test

Sandra Aamodt: Why dieting doesn't usually work - test

• Hei Man Chan Is it possible to lose weight fast? (45) test
• Dean Ornish Healing through diet (42) test
• Mia Nacamulli What is obesity? (38) test
• Mads Tang-Christensen The brain science of obesity (37) test
• Olivia Affuso 3 ways community creates a healthy life (33) test

Sandra Fisher-Martins: The right to understand - test

• Archie Crowley Language around gender and identity evolves (and always has) (35) test
• Larry Page Where's Google going next? (34) test
• Michael Specter The danger of science denial (33) test
• Scott Dinsmore How to find work you love (31) test
• Ricardo Semler How to run a company with (almost) no rules (31) test

Sandrine Thuret: You can grow new brain cells. Here's how - test

• Ralitsa Petrova Could your brain repair itself? (40) test
• Suzana Herculano-Houzel What is so special about the human brain? (36) test
• Catharine Young How memories form and how we lose them (32) test
• Vilayanur Ramachandran The neurons that shaped civilization (30) test
• Sam Rodriques What we'll learn about the brain in the next century (29) test

Sanford Biggers: An artist's unflinching look at racial violence - test

• Mikhail Zygar What the Russian Revolution would have looked like on social media (28) test
• Julieanna L. Richardson The mission to safeguard Black history in the US (25) test
• Anna Malaika Tubbs The critical role of Black mothers -- and how to support all moms (23) test
• Titus Kaphar Can beauty open our hearts to difficult conversations? (23) test
• Titus Kaphar Can art amend history? (23) test

Sangeeta Bhatia: This tiny particle could roam your body to find tumors - test

• Jimmy Lin A simple new blood test that can catch cancer early (42) test
• Adam de la Zerda We can start winning the war against cancer (40) test
• Joy Wolfram How nanoparticles could change the way we treat cancer (39) test
• Joshua Smith New nanotech to detect cancer early (35) test
• Jorge Soto The future of early cancer detection? (34) test

Sangu Delle: In praise of macro -- yes, macro -- finance in Africa - test

• Ngozi Okonjo-Iweala How Africa can keep rising (41) test
• Ngozi Okonjo-Iweala Want to help Africa? Do business here (40) test
• Euvin Naidoo Why invest in Africa (40) test
• Charles Robertson Africa's next boom (40) test
• Andrew Mwenda Aid for Africa? No thanks. (39) test

Sangu Delle: There's no shame in taking care of your mental health - test

• Hailey Hardcastle Why students should have mental health days (66) test
• Vikram Patel Mental health for all by involving all (61) test
• Tom Osborn A new way to help young people with their mental health (58) test
• Leslie Herod What if mental health workers responded to emergency calls? (53) test
• Essam Daod How we can bring mental health support to refugees (39) test

Sanjay Dastoor: A skateboard, with a boost - test

• Daniel Sperling and Gil Tal The surprisingly long history of electric cars (28) test
• Shai Agassi A new ecosystem for electric cars (27) test
• Andreas Raptopoulos No roads? There's a drone for that (26) test
• Dean Kamen To invent is to give (25) test
• Chris Urmson How a driverless car sees the road (25) test

Sanjay Pradhan: How open data is changing international aid - test

• Beth Noveck Demand a more open-source government (34) test
• Andrew Mwenda Aid for Africa? No thanks. (31) test
• Efosa Ojomo Reducing corruption takes a specific kind of investment (30) test
• Hans Rosling Let my dataset change your mindset (29) test
• Hans Rosling The best stats you've ever seen (29) test

Sara C. Mednick: How long should your naps be? - test

• Matt Walker A walk through the stages of sleep (70) test
• Matt Walker Sleep is your superpower (59) test
• Dan Gartenberg The brain benefits of deep sleep -- and how to get more of it (58) test
• Russell Foster Why do we sleep? (57) test
• Jen Gunter Do you really need 8 hours of sleep every night? (54) test

Sara DeWitt: 3 fears about screen time for kids -- and why they're not true - test

• Dorsa Amir How the Industrial Revolution changed childhood (47) test
• Gabe Zichermann How games make kids smarter (45) test
• Stephen Ritz A teacher growing green in the South Bronx (41) test
• Adora Svitak What adults can learn from kids (40) test
• Antonio Garcia Vicente Porque le enseño a niños como yo a programar (40) test

Sara Garofalo: The psychology behind irrational decisions - test

• Daphne Koller What we're learning from online education (23) test
• Mariano Sigman and Dan Ariely How can groups make good decisions? (20) test
• Sheena Iyengar How to make choosing easier (20) test
• Mona Chalabi 3 ways to spot a bad statistic (20) test
• Patrick McGinnis How to make faster decisions (19) test

Sara Jones: My story of love and loss as a transracial adoptee - test

• Georgette Mulheir The tragedy of orphanages (45) test
• Yuko Munakata The science behind how parents affect child development (43) test
• Helen Pearson Lessons from the longest study on human development (43) test
• Andrew Solomon Love, no matter what (41) test
• Veerle Provoost Do kids think of sperm donors as family? (38) test

Sara Lewis: The loves and lies of fireflies - test

• Kelsey Johnson The problem of light pollution -- and 5 ridiculously easy ways to fix it (27) test
• Diane Knutson Why we need darkness (27) test
• Carin Bondar The birds and the bees are just the beginning (25) test
• Edith Widder The weird, wonderful world of bioluminescence (25) test
• Leslie Kenna The brilliance of bioluminescence (25) test

Sara Lomelin: Your invitation to disrupt philanthropy - test

• Elizabeth Dunn Helping others makes us happier -- but it matters how we do it (39) test
• Rebecca Darwent How to fund real change in your community (33) test
• Katherine Fulton You are the future of philanthropy (31) test
• Jessica Jackley Poverty, money -- and love (28) test
• Natalie Cargill How to solve the world's biggest problems (27) test

Sara Menker: A global food crisis may be less than a decade away - test

• Ellen Gustafson Obesity + hunger = 1 global food issue (39) test
• Hans Rosling Asia's rise -- how and when (39) test
• Yasheng Huang Does democracy stifle economic growth? (37) test
• Tristram Stuart The global food waste scandal (37) test
• Charles Robertson Africa's next boom (34) test

Sara Ramirez: "Rollercoaster" - test

• Conversations with People Who Hate Me The Trans Ban (16) test
• Burçin Mutlu-Pakdil A rare galaxy that's challenging our understanding of the universe (13) test
• Carvens Lissaint "Put the financial aid in the bag" (13) test
• Design Matters with Debbie Millman Cheryl Strayed (13) test
• Design Matters Brené Brown (13) test

Sara Sanford: How to design gender bias out of your workplace - test

• Robin Hauser The likability dilemma for women leaders (48) test
• Sheryl Sandberg Why we have too few women leaders (47) test
• Hanna Rosin New data on the rise of women (46) test
• Cecile Richards The political progress women have made -- and what's next (46) test
• Sheryl Sandberg So we leaned in ... now what? (45) test

Sara Seager: The search for planets beyond our solar system - test

• Dimitar Sasselov How we found hundreds of potential Earth-like planets (64) test
• Jessie Christiansen What the discovery of exoplanets reveals about the universe (59) test
• Anjali Tripathi Why Earth may someday look like Mars (56) test
• Aomawa Shields How we'll find life on other planets (54) test
• Heidi Hammel and Nadia Drake The marvels and mysteries revealed by the James Webb Space Telescope (49) test

Sara Valencia Botto: When do kids start to care about other people's opinions? - test

• Helen Pearson Lessons from the longest study on human development (33) test
• Georgette Mulheir The tragedy of orphanages (26) test
• Claudia Miner A new way to get every child ready for kindergarten (25) test
• Yuko Munakata The science behind how parents affect child development (23) test
• Kiran Sethi Kids, take charge (23) test

Sara-Jane Dunn: The next software revolution programming biological cells - test

• Nabiha Saklayen Could you recover from illness ... using your own stem cells? (46) test
• Susan Solomon The promise of research with stem cells (41) test
• Susan Lim Transplant cells, not organs (40) test
• Michael Levin The electrical blueprints that orchestrate life (40) test
• George Zaidan and Charles Morton How do cancer cells behave differently from healthy ones? (39) test

Sarah Aviram: Does more freedom at work mean more fulfillment? - test

• Tsedal Neeley 4 ways to make hybrid work better for everyone (54) test
• Debbie Lovich 3 tips for leaders to get the future of work right (53) test
• Mark Mortensen Is remote work better than being in the office? It's complicated (53) test
• Jason Fried Why work doesn't happen at work (52) test
• Roy Bahat and Bryn Freedman How do we find dignity at work? (52) test

Sarah Barmak: The uncomplicated truth about women's sexuality - test

• Karen Gurney The truth about faking orgasms (62) test
• Sofia Jawed-Wessel The lies we tell pregnant women (56) test
• Paula Johnson His and hers ... health care (53) test
• Alyson McGregor Why medicine often has dangerous side effects for women (51) test
• Cecile Richards The political progress women have made -- and what's next (51) test

Sarah Bergbreiter: Why I make robots the size of a grain of rice - test

• Vijay Kumar Robots that fly ... and cooperate (43) test
• Paul McEuen and Marc Miskin Tiny robots with giant potential (43) test
• Vijay Kumar The future of flying robots (42) test
• Dennis Hong 7 new species of robot that jump, dance — and walk on water (42) test
• Rodney Brooks Robots will invade our lives (39) test

Sarah Brosnan: Why monkeys (and humans) are wired for fairness - test

• Laurie Santos A monkey economy as irrational as ours (36) test
• Frans de Waal Moral behavior in animals (36) test
• Marco Alverà The surprising ingredient that makes businesses work better (26) test
• Moshe Szyf How early life experience is written into DNA (22) test
• Tim Urban Inside the mind of a master procrastinator (21) test

Sarah Corbett: Activism needs introverts - test

• Scott Dinsmore How to find work you love (46) test
• Erez Yoeli How to motivate people to do good for others (45) test
• John Marshall 3 strategies for effectively talking about climate change (43) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (42) test
• Wael Ghonim Inside the Egyptian revolution (42) test

Sarah Donnelly: How work kept me going during my cancer treatment - test

• Jason Fried Why work doesn't happen at work (45) test
• Guy Winch How to turn off work thoughts during your free time (42) test
• Debbie Lovich 3 tips for leaders to get the future of work right (42) test
• Sarah Aviram Does more freedom at work mean more fulfillment? (42) test
• Mark Mortensen Is remote work better than being in the office? It's complicated (41) test

Sarah Dudas: Microplastics are everywhere -- but we can do something about them - test

• Dianna Cohen Tough truths about plastic pollution (57) test
• David Katz The surprising solution to ocean plastic (51) test
• Andrew Forrest A radical plan to end plastic waste (48) test
• Patricia Villarrubia-Gómez The problem with plastics -- and how they're changing the environment (48) test
• Morgan Vague These bacteria eat plastic (45) test

Sarah E. Tracy: What is MSG, and is it actually bad for you? - test

• Vincent Yeow Lim The nostalgia behind your favorite Chinese food (18) test
• Mark Bittman What's wrong with what we eat (17) test
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• Mia Nacamulli How the food you eat affects your brain (16) test

Sarah Ellis and Helen Tupper: The best career path isn't always a straight line - test

• Chieh Huang How to know if it's time to change careers (44) test
• Scott Dinsmore How to find work you love (42) test
• David Lee Why jobs of the future won't feel like work (40) test
• WorkLife with Adam Grant Navigating career turbulence (39) test
• Carol Fishman Cohen How to get back to work after a career break (39) test

Sarah Gray: How my son's short life made a lasting difference - test

• Lucy Hone 3 secrets of resilient people (24) test
• Shaka Senghor Why your worst deeds don’t define you (22) test
• Chris Nowinski Can I have your brain? The quest for truth on concussions and CTE (22) test
• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (21) test
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Sarah Jones: A one-woman global village - test

• Sarah Jones What does the future hold? 11 characters offer quirky answers (43) test
• Keiichiro Hirano Love others to love yourself (38) test
• Serena Williams and Gayle King On tennis, love and motherhood (37) test
• Ricardo Semler How to run a company with (almost) no rules (36) test
• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (35) test

Sarah Jones: One woman, five characters, and a sex lesson from the future - test

• Conversations with People Who Hate Me The Trans Ban (41) test
• Kaz Sex education should start with consent (39) test
• Juno Mac The laws that sex workers really want (38) test
• Larry Page Where's Google going next? (35) test
• Paula Stone Williams What my gender transition taught me about womanhood (35) test

Sarah Jones: What does the future hold? 11 characters offer quirky answers - test

• Sarah Jones A one-woman global village (43) test
• Meg Jay Essential questions to ask your future self (41) test
• Charlie Jane Anders Go ahead, dream about the future (39) test
• Larry Page Where's Google going next? (38) test
• Ricardo Semler How to run a company with (almost) no rules (35) test

Sarah Kaminsky: My father the forger - test

• Colin Grant How our stories cross over (47) test
• Norman Lear An entertainment icon on living a life of meaning (38) test
• Zak Ebrahim I am the son of a terrorist. Here's how I chose peace. (36) test
• Elizabeth Zion The need for family reunification -- to make families whole again (36) test
• Kitra Cahana My father, locked in his body but soaring free (34) test

Sarah Kay: "A Bird Made of Birds" - test

• Renée Hlozek The death of the universe (27) test
• Katie Mack Life-altering questions about the end of the universe (26) test
• Billy Collins Everyday moments, caught in time (26) test
• Roy Gould + Curtis Wong A preview of the WorldWide Telescope (26) test
• Sean Carroll Distant time and the hint of a multiverse (26) test

Sarah Kay: How many lives can you live? - test

• Sarah Kay If I should have a daughter ... (33) test
• Neil Pasricha The 3 A's of awesome (30) test
• William Sieghart The connective potential of poetry (30) test
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• Norman Lear An entertainment icon on living a life of meaning (29) test

Sarah Kay: If I should have a daughter ... - test

• William Sieghart The connective potential of poetry (42) test
• Billy Collins Everyday moments, caught in time (38) test
• Amanda Gorman Using your voice is a political choice (38) test
• Stephen Burt Why people need poetry (36) test
• Elizabeth Stordeur Pryor Why it's so hard to talk about the N-word (36) test

Sarah Kurnick: "Aliens built the pyramids" and other absurdities of pseudo-archaeology - test

• John Biewen The lie that invented racism (28) test
• Mikhail Zygar What the Russian Revolution would have looked like on social media (27) test
• Carolyn Freiwald The hidden history found in your teeth (26) test
• Scott Dinsmore How to find work you love (24) test
• Fields Wicker-Miurin Learning from leadership's missing manual (24) test

Sarah Lewis: Embrace the near win - test

• Valorie Kondos Field Why winning doesn't always equal success (24) test
• Alyssa Monks How loss helped one artist find beauty in imperfection (21) test
• Laura Gassner Otting Why doesn't success bring happiness? (20) test
• John Wooden The difference between winning and succeeding (20) test
• Ryan Pfluger The therapeutic value of photography (20) test

Sarah Montana: Why forgiveness is worth it - test

• Martha Minow How forgiveness can create a more just legal system (25) test
• Thordis Elva and Tom Stranger Our story of rape and reconciliation (25) test
• Dolly Chugh How to let go of being a "good" person -- and become a better person (24) test
• Norman Lear An entertainment icon on living a life of meaning (24) test
• Christian Picciolini My descent into America's neo-Nazi movement -- and how I got out (23) test

Sarah Murray: A playful solution to the housing crisis - test

• Esther Sullivan America's most invisible communities -- mobile home parks (39) test
• Pico Iyer Where is home? (33) test
• Niels van Namen Why the hospital of the future will be your own home (32) test
• Teitur Home is a song I've always remembered (32) test
• Danit Peleg Forget shopping. Soon you'll download your new clothes (32) test

Sarah Parcak: Archaeology from space - test

• Sarah Parcak Help discover ancient ruins -- before it's too late (33) test
• Eric Sanderson New York -- before the City (27) test
• Dan Barasch A park underneath the hustle and bustle of New York City (26) test
• Mick Cornett How an obese town lost a million pounds (26) test
• Einav Zamir Dembin Did ancient Troy really exist? (25) test

Sarah Parcak: Armchair archaeologist - test

• Sarah Parcak Help discover ancient ruins -- before it's too late (36) test
• Cleo Wade Want to change the world? Start by being brave enough to care (31) test
• Fields Wicker-Miurin Learning from leadership's missing manual (30) test
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• Nancy Duarte The secret structure of great talks (30) test

Sarah Parcak: Help discover ancient ruins -- before it's too late - test

• Sarah Parcak Armchair archaeologist (36) test
• Sarah Parcak Hunting for Peru's lost civilizations -- with satellites (36) test
• Sarah Parcak Archaeology from space (33) test
• David Wengrow A new understanding of human history and the roots of inequality (29) test
• Spencer Wells A family tree for humanity (28) test

Sarah Parcak: Hunting for Peru's lost civilizations -- with satellites - test

• Sarah Parcak Help discover ancient ruins -- before it's too late (36) test
• Sarah Parcak Armchair archaeologist (26) test
• Trebor Scholz Stuck in the gig economy? Try platform co-ops instead (25) test
• Tim Berners-Lee The year open data went worldwide (20) test
• Tim Berners-Lee The next web (19) test

Sarah Rugheimer: The search for microscopic aliens - test

• Clara Sousa-Silva The fingerprints of life beyond Earth (62) test
• Betül Kaçar We could kick-start life on another planet. Should we? (54) test
• Penelope Boston There might just be life on Mars (50) test
• Tara Djokic This ancient rock is changing our theory on the origin of life (49) test
• Nathalie Cabrol How Mars might hold the secret to the origin of life (48) test

Sarah Stroud: Ethical dilemma Would you lie? - test

• Pamela Meyer How to spot a liar (23) test
• Kang Lee Can you really tell if a kid is lying? (22) test
• Jeff Hancock The future of lying (21) test
• Damon Horowitz We need a "moral operating system" (20) test
• Dan Gilbert The surprising science of happiness (19) test

Sarah Sze: How we experience time and memory through art - test

• Marian Bantjes Intricate beauty by design (42) test
• Christoph Niemann You are fluent in this language (and don't even know it) (36) test
• Liz Diller The Blur Building and other tech-empowered architecture (35) test
• Thom Mayne How architecture can connect us (34) test
• Gabriel Barcia-Colombo Capturing memories in video art (34) test

Sarah T. Stewart: Where did the Moon come from? A new theory - test

• Oliver Jeffers An ode to living on Earth (42) test
• Xavier De Kestelier Adventures of an interplanetary architect (39) test
• Andrew Vanden Heuvel The moon illusion (36) test
• Anjali Tripathi Why Earth may someday look like Mars (36) test
• Dr. Matt J. Carlson Free falling in outer space (33) test

Sarah-Jayne Blakemore: The mysterious workings of the adolescent brain - test

• Nancy Kanwisher A neural portrait of the human mind (47) test
• Nita Farahany Your right to mental privacy in the age of brain-sensing tech (43) test
• Tom Oxley A brain implant that turns your thoughts into text (43) test
• Sergiu P. Pasca How we're reverse engineering the human brain in the lab (42) test
• Ed Boyden A new way to study the brain's invisible secrets (41) test

Sarthak Sinha: How a wound heals itself - test

• Jen Gunter 5 skin health myths to stop believing now (45) test
• Claudia Aguirre What makes tattoos permanent? (39) test
• Angela Koine Flynn The science of skin color (35) test
• Bill Schutt How do blood transfusions work? (35) test
• Melody Smith How bones make blood (32) test

Sarthak Sinha: Why do some people go bald? - test

• Nina G. Jablonski Why do we have hair in such random places? (51) test
• Cheyenne Cochrane A celebration of natural hair (41) test
• Mena Fombo No. You cannot touch my hair! (38) test
• Jim Hudspeth The beautiful, mysterious science of how you hear (36) test
• Jon Gray The power of the Afro pick (27) test

Sasa Vucinic: Why we should invest in a free press - test

• Johanna Blakley Social media and the end of gender (38) test
• Clay Shirky How social media can make history (35) test
• Halla Tómasdóttir It's time for women to run for office (35) test
• Ricardo Semler How to run a company with (almost) no rules (35) test
• Sergey Brin + Larry Page The genesis of Google (34) test

Sascha Morrell: Why is William Faulkner so difficult to read? - test

• Jamie Bernthal How to write the perfect crime, according to Agatha Christie (18) test
• Hasan Kwame Jeffries Why we must confront the painful parts of US history (16) test
• Francisco Díez-Buzo Why should you read "One Hundred Years of Solitude"? (15) test
• Alua Arthur Why thinking about death helps you live a better life (14) test
• Priya Vulchi and Winona Guo What it takes to be racially literate (14) test

Sascha Morrell: Why should you read "Moby Dick"? - test

• Chip Kidd Designing books is no laughing matter. OK, it is. (17) test
• Brian Dettmer Old books reborn as art (16) test
• David Gruber Can we learn to talk to sperm whales? (15) test
• Chip Kidd Why books are here to stay (15) test
• Deb Willis and Hank Willis Thomas A mother and son united by love and art (15) test

Sasha Sarago: The (de)colonizing of beauty - test

• Anjan Chatterjee How your brain decides what is beautiful (31) test
• Winnie Harlow How I define beauty (29) test
• Denis Dutton A Darwinian theory of beauty (28) test
• Ashley Graham Plus-size? More like my size (26) test
• Richard Seymour How beauty feels (24) test

Sathya Raghu Mokkapati: The "greenhouse-in-a-box" empowering farmers in India - test

• Anushka Ratnayake A transparent, easy way for smallholder farmers to save (53) test
• Eric Sannerud Without farmers, you'd be hungry, naked and sober (50) test
• Mohammad Modarres Why you should shop at your local farmers market (44) test
• Zoë Karl-Waithaka Got millet? How marketing could improve the lives of African farmers (36) test
• Andrew Youn 3 reasons why we can win the fight against poverty (36) test

Saul Griffith: Everyday inventions - test

• Stephen Wolfram Computing a theory of all knowledge (34) test
• The TED Interview The race to build AI that benefits humanity with Sam Altman (33) test
• The TED Interview The race to build AI that benefits humanity with Sam Altman (from April 2021) (33) test
• Danny Hillis Back to the future (of 1994) (30) test
• Skylar Tibbits The emergence of "4D printing" (30) test

Saul Griffith: High-altitude wind energy from kites! - test

• TED-Ed How much electricity does it take to power the world? (31) test
• TED-Ed How much land does it take to power the world? (30) test
• Paul MacCready A flight on solar wings (29) test
• Dan Jørgensen How wind energy could power Earth ... 18 times over (28) test
• Maxim Timchenko The renewable energy revolution happening in Ukraine (28) test

Sauti Sol: The rhythm of Afrobeat - test

• Candy Chang Before I die I want to ... (17) test
• Conversations with People Who Hate Me The Trans Ban (16) test
• Vusi Mahlasela "Thula Mama" (16) test
• Emmanuel Jal The music of a war child (15) test
• Susan Pinker The secret to living longer may be your social life (15) test

Sayu Bhojwani: Immigrant voices make democracy stronger - test

• María Teresa Kumar How the new generation of Latinx voters could change US elections (39) test
• Shari Davis What if you could help decide how the government spends public funds? (37) test
• Richard J. Berry A practical way to help the homeless find work and safety (34) test
• Jeff Speck The walkable city (33) test
• G.T. Bynum A Republican mayor's plan to replace partisanship with policy (33) test

Scilla Elworthy: Fighting with nonviolence - test

• Rachel Kleinfeld A path to security for the world's deadliest countries (41) test
• Thomas Abt Why violence clusters in cities -- and how to reduce it (37) test
• Srdja Popovic How to topple a dictator (37) test
• Scott Dinsmore How to find work you love (37) test
• Wadah Khanfar A historic moment in the Arab world (35) test

Scott A. Mellor: How Thor got his hammer - test

• Iseult Gillespie The Norse myth that inspired "The Lord of the Rings" (28) test
• Alex Gendler The myth of Loki and the master builder (28) test
• Iseult Gillespie The myth of Loki and the deadly mistletoe (25) test
• Iseult Gillespie The myth of Loki's monstrous children (16) test
• Naturally 7 A full-band beatbox (13) test

Scott Dinsmore: How to find work you love - test

• Ricardo Semler How to run a company with (almost) no rules (63) test
• Seth Godin The tribes we lead (60) test
• Rosie King How autism freed me to be myself (60) test
• John Biewen The lie that invented racism (59) test
• Linus Torvalds The mind behind Linux (58) test

Scott Fitsimones: Could a DAO build the next great city? - test

• Theaster Gates How to revive a neighborhood with imagination, beauty and art (28) test
• Lindsey Schneider Whose land are you on? What to know about the Indigenous Land Back movement (28) test
• Don Tapscott How the blockchain is changing money and business (27) test
• Ricardo Semler How to run a company with (almost) no rules (27) test
• Alison Killing What happens when a city runs out of room for its dead (25) test

Scott Fraser: Why eyewitnesses get it wrong - test

• Alex Koster What will the dream car of the future be like? (25) test
• Chris Gerdes The future race car -- 150mph, and no driver (25) test
• Chris Urmson How a driverless car sees the road (23) test
• Ed Gavagan A story about knots and surgeons (21) test
• Steven Levitt Surprising stats about child carseats (20) test

Scott Galloway: How Amazon, Apple, Facebook and Google manipulate our emotions - test

• Scott Dinsmore How to find work you love (33) test
• Ricardo Semler How to run a company with (almost) no rules (33) test
• Simon Sinek How great leaders inspire action (32) test
• Dan Ariely What makes us feel good about our work? (32) test
• Jacqueline Novogratz Invest in Africa's own solutions (32) test

Scott Gass: How big is the ocean? - test

• Susan Ruffo The ocean's ingenious climate solutions (50) test
• David Gallo Deep ocean mysteries and wonders (49) test
• Sylvia Earle My wish Protect our oceans (42) test
• Laura Robinson The secrets I find on the mysterious ocean floor (41) test
• Jennifer Verduin How do ocean currents work? (41) test

Scott Gass: The survival of the sea turtle - test

• Cella Wright This sea creature breathes through its butt (30) test
• Mariela Pajuelo and Javier Antonio Quinones The one thing stopping jellyfish from taking over (29) test
• Claire Simeone The lovable (and lethal) sea lion (26) test
• Sylvia Earle My wish Protect our oceans (25) test
• Paul Snelgrove A census of the ocean (23) test

Scott Kim: The art of puzzles - test

• Alex Rosenthal The joyful, perplexing world of puzzle hunts (44) test
• Brenda Romero Gaming for understanding (34) test
• Gabe Zichermann How games make kids smarter (30) test
• Jane McGonigal Gaming can make a better world (29) test
• Daphne Bavelier Your brain on video games (29) test

Scott McCloud: The visual magic of comics - test

• Gene Luen Yang Comics belong in the classroom (36) test
• David Carson Design and discovery (29) test
• Larry Page Where's Google going next? (28) test
• Sergey Brin + Larry Page The genesis of Google (28) test
• Elon Musk Elon Musk talks Twitter, Tesla and how his brain works — live at TED2022 (27) test

Scott Peeples: Why should you read Edgar Allan Poe? - test

• Alexander MacDonald How centuries of sci-fi sparked spaceflight (23) test
• Silvia Moreno-García Titan of terror the dark imagination of H.P. Lovecraft (18) test
• Lori Gottlieb How changing your story can change your life (17) test
• Elif Shafak The politics of fiction (17) test
• Chimamanda Ngozi Adichie The danger of a single story (16) test

Scott Rickard: The beautiful math behind the world's ugliest music - test

• Joey Alexander An 11-year-old prodigy performs old-school jazz (38) test
• Michael Tilson Thomas Music and emotion through time (37) test
• Pierre Barreau How AI could compose a personalized soundtrack to your life (36) test
• David Byrne How architecture helped music evolve (35) test
• Indre Viskontas How music makes me a better neuroscientist (35) test

Scott Summit: Beautiful artificial limbs - test

• Alex Smith An NFL quarterback on overcoming setbacks and self-doubt (31) test
• Paola Antonelli Treat design as art (29) test
• Margaret Gould Stewart How giant websites design for you (and a billion others, too) (29) test
• Yves Béhar Designing objects that tell stories (27) test
• Ross Lovegrove Organic design, inspired by nature (27) test

Scott Williams: The hidden role informal caregivers play in health care - test

• Eric Dishman Health care should be a team sport (36) test
• Edith Elliott and Shahed Alam The most powerful untapped resource in health care (35) test
• Mitchell Katz What the US health care system assumes about you (32) test
• Timothy Ihrig What we can do to die well (32) test
• Rebecca Onie What Americans agree on when it comes to health (31) test

Sean Carroll: Distant time and the hint of a multiverse - test

• Katie Mack Life-altering questions about the end of the universe (67) test
• Renée Hlozek The death of the universe (62) test
• Stephen Hawking Questioning the universe (60) test
• Sajan Saini What is the universe expanding into? (54) test
• Venus Keus Three ways the universe could end (52) test

Sean Davis: Can we solve global warming? Lessons from how we protected the ozone layer - test

• Stephanie Honchell Smith Whatever happened to the hole in the ozone layer? (53) test
• Kelly Wanser Emergency medicine for our climate fever (30) test
• David Keith A critical look at geoengineering against climate change (29) test
• David Wallace-Wells How we could change the planet's climate future (29) test
• Luisa Neubauer Why you should be a climate activist (29) test

Sean Follmer: Shape-shifting tech will change work as we know it - test

• James Patten The best computer interface? Maybe ... your hands (34) test
• Pranav Mistry The thrilling potential of SixthSense technology (31) test
• Fabian Hemmert The shape-shifting future of the mobile phone (28) test
• John Underkoffler Pointing to the future of UI (27) test
• Jinha Lee Reach into the computer and grab a pixel (27) test

Sean Gourley: The mathematics of war - test

• David McCandless The beauty of data visualization (29) test
• JP Rangaswami Information is food (28) test
• Alessandro Acquisti What will a future without secrets look like? (26) test
• Stanley McChrystal The military case for sharing knowledge (25) test
• Tim Berners-Lee The next web (24) test

Sean Sherman: Why aren't there more Native American restaurants? - test

• Aparna Pallavi What foods did your ancestors love? (48) test
• Jupta Itoewaki An Indigenous perspective on humanity's survival on Earth (46) test
• Ellen Gustafson Obesity + hunger = 1 global food issue (45) test
• Roger Doiron My subversive (garden) plot (42) test
• Jamie Oliver Teach every child about food (41) test

Sebastian Deterding: What your designs say about you - test

• Martin Seligman The new era of positive psychology (46) test
• Bill Burnett 5 steps to designing the life you want (43) test
• Kevin Kelly How technology evolves (42) test
• Philip Rosedale Life in Second Life (41) test
• Kevin Kelly Technology's epic story (40) test

Sebastian Guo: Why we need to pay attention to Chinese millennials - test

• Michael Anti Behind the Great Firewall of China (43) test
• Jennifer 8. Lee The hunt for General Tso (39) test
• Reniqua Allen The story we tell about millennials -- and who we leave out (38) test
• Martin Jacques Understanding the rise of China (37) test
• Huang Hung How American and Chinese values shaped the coronavirus response (36) test

Sebastian Junger: Our lonely society makes it hard to come home from war - test

• Wes Moore How to talk to veterans about war (40) test
• Sebastian Junger Why veterans miss war (36) test
• Dan Ariely How equal do we want the world to be? You'd be surprised (36) test
• Scott Dinsmore How to find work you love (36) test
• Juan Enriquez A personal plea for humanity at the US-Mexico border (35) test

Sebastian Junger: Why veterans miss war - test

• P.W. Singer Military robots and the future of war (39) test
• Zarlasht Halaimzai What it's like to be a war refugee (39) test
• Keith Lowe Why we need to stop obsessing over World War II (39) test
• Samantha Nutt The real harm of the global arms trade (37) test
• Sebastian Junger Our lonely society makes it hard to come home from war (36) test

Sebastian Kraves: The era of personal DNA testing is here - test

• Dan Gibson How to build synthetic DNA and send it across the internet (55) test
• Jennifer Doudna How CRISPR lets us edit our DNA (48) test
• Dina Zielinski How we can store digital data in DNA (48) test
• Drew Berry Animations of unseeable biology (46) test
• Gabe Barcia-Colombo My DNA vending machine (45) test

Sebastian Seung: I am my connectome - test

• Suzana Herculano-Houzel What is so special about the human brain? (41) test
• Sam Rodriques What we'll learn about the brain in the next century (38) test
• Henry Markram A brain in a supercomputer (35) test
• Frances S. Chance Are insect brains the secret to great AI? (35) test
• Vilayanur Ramachandran The neurons that shaped civilization (35) test

Sebastian Thrun and Chris Anderson: What AI is -- and isn't - test

• Jeremy Howard The wonderful and terrifying implications of computers that can learn (47) test
• David Lee Why jobs of the future won't feel like work (36) test
• Sugata Mitra Build a School in the Cloud (36) test
• Larry Page Where's Google going next? (36) test
• Travis Kalanick Uber's plan to get more people into fewer cars (35) test

Sebastian Thrun: Google's driverless car - test

• Travis Kalanick Uber's plan to get more people into fewer cars (41) test
• Freeman H. Shen A future with fewer cars (40) test
• Chris Urmson How a driverless car sees the road (39) test
• Jennifer Healey If cars could talk, accidents might be avoidable (38) test
• Shai Agassi A new ecosystem for electric cars (37) test

Sebastian Wernicke: 1,000 TED Talks in six words - test

• TED staff It's TED, the Musical (42) test
• Chris Anderson TED's nonprofit transition (34) test
• John Koenig Beautiful new words to describe obscure emotions (31) test
• Sebastian Wernicke Lies, damned lies and statistics (about TEDTalks) (30) test
• Erin McKean Go ahead, make up new words! (30) test

Sebastian Wernicke: How to use data to make a hit TV show - test

• Tim Berners-Lee The next web (60) test
• Giorgia Lupi How we can find ourselves in data (55) test
• Tricia Wang The human insights missing from big data (54) test
• Jennifer Zhu Scott Why you should get paid for your data (53) test
• Mallory Freeman Your company's data could help end world hunger (52) test

Sebastian Wernicke: Lies, damned lies and statistics (about TEDTalks) - test

• TED staff It's TED, the Musical (42) test
• Sebastian Wernicke 1,000 TED Talks in six words (30) test
• TED-Ed Is it normal to talk to yourself? (26) test
• Clifford Stoll The call to learn (22) test
• Tom Rielly A comic sendup of TED2006 (21) test

Sebastien de Halleux: How a fleet of wind-powered drones is changing our understanding of the ocean - test

• Paul Snelgrove A census of the ocean (43) test
• John Delaney Wiring an interactive ocean (41) test
• Angelicque White What ocean microbes reveal about the changing climate (40) test
• Sylvia Earle My wish Protect our oceans (38) test
• Susan Ruffo The ocean's ingenious climate solutions (35) test

Sebastián Bortnik: The conversation we're not having about digital child abuse - test

• Geoffrey Canada Our failing schools. Enough is enough! (45) test
• Adora Svitak What adults can learn from kids (42) test
• Dorsa Amir How the Industrial Revolution changed childhood (41) test
• Olympia Della Flora Creative ways to get kids to thrive in school (40) test
• Kandice Sumner How America's public schools keep kids in poverty (40) test

Sebastião Salgado: The silent drama of photography - test

• Willie Smits How to restore a rainforest (37) test
• Thomas Crowther The global movement to restore nature's biodiversity (28) test
• Nic Marks The Happy Planet Index (28) test
• George Monbiot For more wonder, rewild the world (27) test
• Jonathan Foley The other inconvenient truth (27) test

Seema Bansal: How to fix a broken education system ... without any more money - test

• Charles Leadbeater Education innovation in the slums (46) test
• Carlos Rodríguez-Pastor How business can drive solutions to social problems (45) test
• Geoff Mulgan A short intro to the Studio School (44) test
• Bill Gates Mosquitos, malaria and education (43) test
• Shukla Bose Teaching one child at a time (41) test

Seena Mathew: How fast is the speed of thought? - test

• Vilayanur Ramachandran The neurons that shaped civilization (20) test
• Kathryn Bouskill The unforeseen consequences of a fast-paced world (20) test
• Greg Gage Electrical experiments with plants that count and communicate (19) test
• Joy Lin If superpowers were real Super speed (18) test
• Sebastian Seung I am my connectome (18) test

Selina Neirok Leem: Climate change isn't a distant threat -- it's our reality - test

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• Greg Stone Saving the ocean one island at a time (33) test
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Sendhil Mullainathan: Solving social problems with a nudge - test

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Serena Williams and Gayle King: On tennis, love and motherhood - test

• Gus Worland Is someone you love suffering in silence? Here's what to do (42) test
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Sergei Lupashin: A flying camera ... on a leash - test

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Sergey Brin + Larry Page: The genesis of Google - test

• Larry Page Where's Google going next? (53) test
• Ricardo Semler How to run a company with (almost) no rules (53) test
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Sergey Brin: Why Google Glass? - test

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Sergiu P. Pasca: How we're reverse engineering the human brain in the lab - test

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Seth Berkley: HIV and flu -- the vaccine strategy - test

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Seth Berkley: The quest for the coronavirus vaccine - test

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• Seth Berkley The troubling reason why vaccines are made too late ... if they're made at all (48) test
• Seth Berkley HIV and flu -- the vaccine strategy (47) test

Seth Berkley: The troubling reason why vaccines are made too late ... if they're made at all - test

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Seth Godin: How to get your ideas to spread - test

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Seth Godin: The tribes we lead - test

• Scott Dinsmore How to find work you love (60) test
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Seth Priebatsch: The game layer on top of the world - test

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Seth Shostak: ET is (probably) out there -- get ready - test

• Kary Mullis Play! Experiment! Discover! (39) test
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Sethembile Msezane: Living sculptures that stand for history's truths - test

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Severine Autesserre: To solve mass violence, look to locals - test

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Severn Cullis-Suzuki: Make your actions on climate reflect your words - test

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Seyi Oyesola: A hospital tour in Nigeria - test

• Ernest Madu World-class health care (44) test
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Shabana Basij-Rasikh: Dare to educate Afghan girls - test

• Kakenya Ntaiya A girl who demanded school (54) test
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Shabana Basij-Rasikh: The dream of educating Afghan girls lives on - test

• Shabana Basij-Rasikh Dare to educate Afghan girls (47) test
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Shad Begum: How women in Pakistan are creating political change - test

• Cecile Richards The political progress women have made -- and what's next (65) test
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Shaffi Mather: A new way to fight corruption - test

• Efosa Ojomo Reducing corruption takes a specific kind of investment (26) test
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Shah Rukh Khan: Thoughts on humanity, fame and love - test

• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (36) test
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Shahar Erez: How to build a freelance career that works for you - test

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Shai Agassi: A new ecosystem for electric cars - test

• Alex Koster What will the dream car of the future be like? (48) test
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Shai Marcu: The benefits of a good night's sleep - test

• Matt Walker Hacking your memory -- with sleep (56) test
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Shai Reshef: An ultra-low-cost college degree - test

• Daphne Koller What we're learning from online education (48) test
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Shaka Senghor: Why your worst deeds don’t define you - test

• Teresa Njoroge What I learned serving time for a crime I didn't commit (37) test
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Shameem Akhtar: To learn is to be free - test

• Kakenya Ntaiya A girl who demanded school (52) test
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• Kakenya Ntaiya Empower a girl, transform a community (44) test

Shameran Abed: 4 steps to ending extreme poverty - test

• Rutger Bregman Poverty isn't a lack of character; it's a lack of cash (47) test
• Ann-Helén Bay Why is it so hard to escape poverty? (42) test
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Shane Campbell-Staton: How life on Earth adapts to you and me - test

• Alejandro Sánchez Alvarado To solve old problems, study new species (39) test
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Shane Koyczan: To This Day ... for the bullied and beautiful - test

• Lizzie Velásquez How do you define yourself? (36) test
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Shane Wickes: Why I came out as a gay football coach - test

• Bruce Feiler The secret to mastering life's biggest transitions (39) test
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Shankar Vedantam: You don't actually know what your future self wants - test

• Charlie Jane Anders Go ahead, dream about the future (37) test
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Shannon Lee: What Bruce Lee can teach us about living fully - test

• Philip Rosedale Life in Second Life (31) test
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Shannon N. Tessier: Can you freeze your body and come back to life? - test

• Kristin Poinar What's hidden under the Greenland ice sheet? (33) test
• Lee Hotz Inside an Antarctic time machine (27) test
• Mia Nacamulli What would happen if you didn't drink water? (25) test
• Kate Stafford How human noise affects ocean habitats (24) test
• Douglas J. Casa What happens when you get heat stroke? (24) test

Shannon Odell: Are solar panels worth it? - test

• Dan Kwartler Why don't we cover the desert with solar panels? (61) test
• Alexandros Charalambides Why aren't we only using solar power? (56) test
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Shannon Odell: How friendship affects your brain - test

• Sarah-Jayne Blakemore The mysterious workings of the adolescent brain (32) test
• Mona Chalabi What makes a friendship last? (32) test
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Shannon Odell: How puberty changes your brain - test

• Nancy Kanwisher A neural portrait of the human mind (36) test
• Sarah-Jayne Blakemore The mysterious workings of the adolescent brain (36) test
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Shannon Odell: The science of falling in love - test

• Helen Fisher The brain in love (43) test
• Helen Fisher Why we love, why we cheat (37) test
• Dessa Can we choose to fall out of love? (35) test
• Mandy Len Catron A better way to talk about love (34) test
• Mandy Len Catron Falling in love is the easy part (32) test

Shannon Odell: This is what happens when you hit the gas - test

• Richard Browning How do jetpacks work? And why don't we all have them? (28) test
• TED-Ed What's the best fuel for your car? (27) test
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• Jim Hagemann Snabe Dreams and details for a decarbonized future (25) test

Shannon Odell: What's happening to Earth's core? - test

• Ilissa Ocko The fastest way to slow climate change now (37) test
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• Bjørn Otto Sverdrup How to realistically decarbonize the oil and gas industry (28) test
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Shannon Odell: What's the smartest age? - test

• Michael Merzenich Growing evidence of brain plasticity (45) test
• Nancy Kanwisher A neural portrait of the human mind (40) test
• Sarah-Jayne Blakemore The mysterious workings of the adolescent brain (39) test
• Nita Farahany Your right to mental privacy in the age of brain-sensing tech (38) test
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Shannon Odell: When are you actually an adult? - test

• Sarah-Jayne Blakemore The mysterious workings of the adolescent brain (34) test
• Shannon Odell What's the smartest age? (33) test
• Shannon Odell How puberty changes your brain (26) test
• Michael Merzenich Growing evidence of brain plasticity (26) test
• Nancy Kanwisher A neural portrait of the human mind (25) test

Shannon Zhao: The myth of the original star-crossed lovers - test

• Cesar Kuriyama One second every day (22) test
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Shantell Martin: How drawing can set you free - test

• Lucas Rizzotto Why I built my own time machine (30) test
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ShaoLan: Learn to read Chinese ... with ease! - test

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ShaoLan: The Chinese zodiac, explained - test

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Shari Davis: What if you could help decide how the government spends public funds? - test

• Scott Dinsmore How to find work you love (46) test
• Ernesto Sirolli Want to help someone? Shut up and listen! (44) test
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Sharif El-Mekki: Reviving the legacy of the Black teaching tradition - test

• Larry Irvin A program to empower Black teachers in the US (48) test
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Sharmeen Obaid-Chinoy: How film transforms the way we see the world - test

• Sheryl Sandberg So we leaned in ... now what? (45) test
• Ricardo Coler Allá donde las mujeres mandan (44) test
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• Shad Begum How women in Pakistan are creating political change (43) test
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Sharmeen Obaid-Chinoy: Inside a school for suicide bombers - test

• Georgette Mulheir The tragedy of orphanages (45) test
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Sharon Brous: It's time to reclaim religion - test

• Karen Armstrong My wish The Charter for Compassion (56) test
• Kwame Anthony Appiah Is religion good or bad? (This is a trick question) (50) test
• Chelsea Shields How I'm working for change inside my church (49) test
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Sharon Horesh Bergquist: How stress affects your body - test

• Kelly McGonigal How to make stress your friend (54) test
• Madhumita Murgia How stress affects your brain (51) test
• Claudia Aguirre Does stress cause pimples? (47) test
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Sharon Terry: Science didn't understand my kids' rare disease until I decided to study it - test

• Damon Davis Courage is contagious (40) test
• Scott Dinsmore How to find work you love (37) test
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Sharon Weinberger: Inside the massive (and unregulated) world of surveillance tech - test

• Marc Goodman A vision of crimes in the future (35) test
• Ian Bremmer The next global superpower isn't who you think (34) test
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Shashi Tharoor: Why nations should pursue soft power - test

• Nandan Nilekani Ideas for India's future (47) test
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• Hans Rosling Asia's rise -- how and when (42) test

Shawn Achor: The happy secret to better work - test

• Christina Costa How gratitude rewires your brain (40) test
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• Tom Oxley A brain implant that turns your thoughts into text (37) test
• Jeff Hawkins How brain science will change computing (35) test

Shaylin Schundler: Why does your voice change as you get older? - test

• Rupal Patel Synthetic voices, as unique as fingerprints (36) test
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Shea Hembrey: How I became 100 artists - test

• Thelma Golden How art gives shape to cultural change (43) test
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• Phil Hansen Embrace the shake (36) test

Sheena Iyengar: How to make choosing easier - test

• Renata Salecl Our unhealthy obsession with choice (48) test
• Sheena Iyengar The art of choosing (43) test
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• Dan Ariely How to change your behavior for the better (38) test

Sheena Iyengar: The art of choosing - test

• Renata Salecl Our unhealthy obsession with choice (49) test
• Sheena Iyengar How to make choosing easier (43) test
• Petter Johansson Do you really know why you do what you do? (38) test
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Sheena Meade: How "second chance" laws could transform the US justice system - test

• Alexis Charpentier How record collectors find lost music and preserve our cultural heritage (37) test
• Ricardo Semler How to run a company with (almost) no rules (30) test
• Mia Birdsong The story we tell about poverty isn't true (29) test
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Sheetal DeCaria: The bias behind your undiagnosed chronic pain - test

• Karen D. Davis How does your brain respond to pain? (71) test
• Amy Baxter How to hack your brain when you're in pain (70) test
• Joshua W. Pate The mysterious science of pain (67) test
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Sheikha Al Mayassa: Globalizing the local, localizing the global - test

• Jehane Noujaim My wish A global day of film (41) test
• Wadah Khanfar A historic moment in the Arab world (39) test
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• Ricardo Semler How to run a company with (almost) no rules (37) test
• Scott Dinsmore How to find work you love (36) test

Sheila Marie Orfano and Densho: Can stereotypes ever be good? - test

• Canwen Xu I am not your Asian stereotype (31) test
• Ibram X. Kendi The difference between being "not racist" and antiracist (25) test
• Meg Jacobs What few people know about the program that "saved" America (25) test
• Densho Ugly History Japanese American incarceration camps (25) test
• John Biewen The lie that invented racism (25) test

Sheila Marie Orfano: How do you know what's true? - test

• Amy Milton Can we edit memories? (28) test
• Peter Doolittle How your "working memory" makes sense of the world (23) test
• Elizabeth Loftus How reliable is your memory? (23) test
• Joshua Foer Feats of memory anyone can do (22) test
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Sheila Marie Orfano: Why should you read Dante's "Divine Comedy"? - test

• Helen Fisher The brain in love (15) test
• Mandy Len Catron A better way to talk about love (13) test
• Skye C. Cleary Why do we love? A philosophical inquiry (13) test
• Mandy Len Catron Falling in love is the easy part (13) test
• Aracelis Girmay "For Estefani, Third Grade, Who Made Me A Card" (13) test

Sheila Marie Orfano: Why should you read "The Joy Luck Club" by Amy Tan? - test

• Anna Malaika Tubbs How moms shape the world (21) test
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Sheila Nirenberg: A prosthetic eye to treat blindness - test

• Ed Boyden A light switch for neurons (36) test
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• Rosie King How autism freed me to be myself (40) test

Stephanie Busari: How fake news does real harm - test

• Monique W. Morris Why black girls are targeted for punishment at school -- and how to change that (28) test
• Memory Banda A warrior’s cry against child marriage (28) test
• Angela Patton A father-daughter dance ... in prison (28) test
• Eve Ensler Embrace your inner girl (27) test
• Smita Sharma Powerful photos that honor the lives of overlooked women (27) test

Stephanie Honchell Smith: 6 myths about the Middle Ages that everyone believes - test

• Mustafa Akyol Faith versus tradition in Islam (19) test
• Steven Pinker The surprising decline in violence (18) test
• Kayla Wolf The biggest mistakes in mapmaking history (18) test
• Richard Dawkins Why the universe seems so strange (18) test
• Jamil Abu-Wardeh The Axis of Evil Middle East Comedy Tour (17) test

Stephanie Honchell Smith: History vs. Tamerlane the Conqueror - test

• Anne F. Broadbridge The rise and fall of the Mongol Empire (29) test
• Stephanie Honchell Smith The rise and fall of the Mughal Empire (20) test
• Petra Sijpesteijn and Birte Kristiansen The rise and fall of the medieval Islamic Empire (19) test
• Robert Muggah The biggest risks facing cities -- and some solutions (17) test
• Parag Khanna Mapping the future of countries (17) test

Stephanie Honchell Smith: The Taj Mahal A monument to eternal love - test

• Stephanie Honchell Smith The rise and fall of the Mughal Empire (18) test
• Soraya Field Fiorio How did they build the Great Pyramid of Giza? (17) test
• Débora Mesa Molina Stunning buildings made from raw, imperfect materials (13) test
• Pico Iyer The art of stillness (12) test
• TED Radio Hour The Power of Spaces (11) test

Stephanie Honchell Smith: The merciless mercenaries of the Italian Renaissance - test

• P.W. Singer Military robots and the future of war (22) test
• Sebastian Junger Why veterans miss war (21) test
• James Nachtwey My wish Let my photographs bear witness (19) test
• Daniel Garrie Defining cyberwarfare... in hopes of preventing it (17) test
• Yuval Noah Harari The war in Ukraine could change everything (17) test

Stephanie Honchell Smith: The rise and fall of the Mughal Empire - test

• Haimanti Roy Why was India split into two countries? (28) test
• Shashi Tharoor Why nations should pursue soft power (22) test
• Petra Sijpesteijn and Birte Kristiansen The rise and fall of the medieval Islamic Empire (21) test
• Stephanie Honchell Smith History vs. Tamerlane the Conqueror (20) test
• Mostafa Minawi The rise of the Ottoman Empire (19) test

Stephanie Honchell Smith: Whatever happened to the hole in the ozone layer? - test

• Sean Davis Can we solve global warming? Lessons from how we protected the ozone layer (53) test
• Kelly Wanser Emergency medicine for our climate fever (20) test
• Hugh Evans What does it mean to be a citizen of the world? (18) test
• Gavin Schmidt The emergent patterns of climate change (17) test
• Gordon Brown Wiring a web for global good (17) test

Stephanie Kelton: The big myth of government deficits - test

• Michael Norton How to buy happiness (41) test
• Jonathan Smith How do governments create money out of thin air? (40) test
• Ray Dalio What coronavirus means for the global economy (39) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (35) test
• Bill Gates How state budgets are breaking US schools (35) test

Stephanie Sardelis: Why do whales sing? - test

• Peter Tyack The intriguing sound of marine mammals (44) test
• Asha de Vos Why you should care about whale poo (40) test
• Nicola Jones The dangers of a noisy ocean -- and how we can quiet it down (32) test
• Asha de Vos Why are blue whales so enormous? (31) test
• David Gruber Can we learn to talk to sperm whales? (30) test

Stephanie Warren: The chemistry of cookies - test

• Peter Reinhart The art and craft of bread (21) test
• AnnMarie Thomas Hands-on science with squishy circuits (20) test
• Eleanor Nelsen How to unboil an egg (19) test
• Aaswath Raman How we can turn the cold of outer space into a renewable resource (19) test
• Kristen Bell + Giant Ant Why is 1.5 degrees such a big deal? (18) test

Stephen Bax: The world's most mysterious book - test

• William Noel Revealing the lost codex of Archimedes (25) test
• Gregory Heyworth How I'm discovering the secrets of ancient texts (22) test
• David Peterson Why language is humanity's greatest invention (21) test
• Andreea S. Calude Does grammar matter? (21) test
• Rajesh Rao A Rosetta Stone for a lost language (20) test

Stephen Burt: Why people need poetry - test

• Billy Collins Everyday moments, caught in time (39) test
• Sarah Kay If I should have a daughter ... (36) test
• William Sieghart The connective potential of poetry (33) test
• Oscar Schwartz Can a computer write poetry? (29) test
• Amanda Gorman Using your voice is a political choice (26) test

Stephen Cave: The 4 stories we tell ourselves about death - test

• Alua Arthur Why thinking about death helps you live a better life (44) test
• Kelli Swazey Life that doesn't end with death (44) test
• Kevin Toolis What the Irish wake teaches us about living and dying (39) test
• Peter Saul Let's talk about dying (38) test
• Andrew Peek How your personal narrative limits your future (36) test

Stephen Coleman: Non-lethal weapons, a moral hazard? - test

• Catherine Crump The small and surprisingly dangerous detail the police track about you (33) test
• Dr. Phillip Atiba Solomon How we can make racism a solvable problem -- and improve policing (33) test
• Dr. Phillip Atiba Goff How we can make racism a solvable problem -- and improve policing (33) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (32) test
• Dr. Phillip Atiba Goff, Rashad Robinson, Dr. Bernice King, Anthony D. Romero The path to ending systemic racism in the US (31) test

Stephen DeBerry: Why the "wrong side of the tracks" is usually the east side of cities - test

• John Cary How architecture can create dignity for all (29) test
• Tim Brown Designers -- think big! (28) test
• William Ury The walk from "no" to "yes" (27) test
• Margaret Gould Stewart How giant websites design for you (and a billion others, too) (26) test
• Natsai Audrey Chieza Possible futures from the intersection of nature, tech and society (24) test

Stephen Friend: The hunt for "unexpected genetic heroes" - test

• Nicholas Leeper Is there a link between cancer and heart disease? (31) test
• Sharon Terry Science didn't understand my kids' rare disease until I decided to study it (28) test
• Gregory Petsko The coming neurological epidemic (28) test
• Ian Barnes What archaeology and DNA can teach us about prehistoric migration (27) test
• John Wilbanks Let's pool our medical data (27) test

Stephen Hawking: Questioning the universe - test

• Katie Mack Life-altering questions about the end of the universe (61) test
• Sean Carroll Distant time and the hint of a multiverse (60) test
• Chris Anderson (TED) Questions no one knows the answers to (50) test
• Katie Mack The death of the universe -- and what it means for life (48) test
• Renée Hlozek The death of the universe (48) test

Stephen Lawler: Tour Microsoft's Virtual Earth - test

• Tim Berners-Lee The next web (34) test
• Blaise Agüera y Arcas How PhotoSynth can connect the world's images (34) test
• Philip Rosedale Life in Second Life (31) test
• Giorgia Lupi How we can find ourselves in data (31) test
• Jer Thorp Make data more human (30) test

Stephen Palumbi: Hidden toxins in the fish we eat - test

• Angelicque White What ocean microbes reveal about the changing climate (36) test
• Susan Ruffo The ocean's ingenious climate solutions (35) test
• Sylvia Earle My wish Protect our oceans (32) test
• Triona McGrath How pollution is changing the ocean's chemistry (31) test
• Scott Gass How big is the ocean? (31) test

Stephen Petranek: 10 ways the world could end - test

• Martin Rees Is this our final century? (41) test
• Peter Ward A theory of Earth's mass extinctions (38) test
• Phil Plait How to defend Earth from asteroids (38) test
• Kary Mullis Play! Experiment! Discover! (37) test
• Marvin Minsky Health and the human mind (35) test

Stephen Petranek: Your kids might live on Mars. Here's how they'll survive - test

• Joel Levine Why we need to go back to Mars (74) test
• Eric Hinterman How going to Mars improves life on Earth (62) test
• Nathalie Cabrol How Mars might hold the secret to the origin of life (60) test
• Nagin Cox What time is it on Mars? (56) test
• Lucianne Walkowicz Let's not use Mars as a backup planet (48) test

Stephen Ritz: A teacher growing green in the South Bronx - test

• Ann Cooper What's wrong with school lunches (52) test
• Geoffrey Canada Our failing schools. Enough is enough! (45) test
• Adora Svitak What adults can learn from kids (44) test
• Dorsa Amir How the Industrial Revolution changed childhood (44) test
• Cameron Herold Let's raise kids to be entrepreneurs (44) test

Stephen Webb: Where are all the aliens? - test

• Chris Anderson (TED) Questions no one knows the answers to (45) test
• Stephen Hawking Questioning the universe (43) test
• Chris Anderson Why can't we see evidence of alien life? (42) test
• Dimitar Sasselov How we found hundreds of potential Earth-like planets (40) test
• Betül Kaçar We could kick-start life on another planet. Should we? (40) test

Stephen Wilkes: 24 hours on Earth -- in one image - test

• Stephen Wilkes The passing of time, caught in a single photo (31) test
• James Balog Time-lapse proof of extreme ice loss (29) test
• Kristin Poinar What's hidden under the Greenland ice sheet? (27) test
• Rob Dunbar Discovering ancient climates in oceans and ice (25) test
• Dustin Schroeder How we look kilometers below the Antarctic ice sheet (24) test

Stephen Wilkes: The passing of time, caught in a single photo - test

• Laura Vanderkam How to gain control of your free time (48) test
• Alexander Leitner Can time be wasted? (45) test
• Nagin Cox What time is it on Mars? (44) test
• Andrew Zimmerman Jones Does time exist? (43) test
• Abha Dawesar Life in the "digital now" (43) test

Stephen Wolfram: Computing a theory of all knowledge - test

• Katie Mack Life-altering questions about the end of the universe (40) test
• Stephen Hawking Questioning the universe (38) test
• Sean Carroll Distant time and the hint of a multiverse (35) test
• Harry Cliff Have we reached the end of physics? (34) test
• Saul Griffith Everyday inventions (34) test

Steve Boyes: How we're saving one of Earth's last wild places - test

• E.O. Wilson My wish Build the Encyclopedia of Life (30) test
• Kristine Tompkins Let's make the world wild again (27) test
• Jennifer D. Sciubba The truth about human population decline (26) test
• Garth Lenz The true cost of oil (26) test
• Peter Diamandis Abundance is our future (25) test

Steve Howard: Let's go all-in on selling sustainability - test

• Jesper Brodin and Pia Heidenmark Cook How Ikea is growing its business while shrinking emissions (46) test
• Ray Anderson The business logic of sustainability (41) test
• Leticia Gasca Una nueva manera de hablar del fracaso en los negocios (40) test
• Hamdi Ulukaya The anti-CEO playbook (40) test
• Bill Clinton My wish Rebuilding Rwanda (39) test

Steve Jurvetson: Model rocketry - test

• Peter Beck Small rockets are the next space revolution (33) test
• Gwynne Shotwell SpaceX's plan to fly you across the globe in 30 minutes (25) test
• Mandy Len Catron A better way to talk about love (22) test
• David Perry Are games better than life? (22) test
• Abe Davis New video technology that reveals an object's hidden properties (21) test

Steve Keil: A manifesto for play, for Bulgaria and beyond - test

• Stuart Brown Play is more than just fun (79) test
• Isabel Behncke Evolution's gift of play, from bonobo apes to humans (56) test
• Yana Buhrer Tavanier How to recover from activism burnout (54) test
• Tim Brown Tales of creativity and play (53) test
• Jesse Ilhardt How play helps a kid's brain grow (47) test

Steve McCarroll: How data is helping us unravel the mysteries of the brain - test

• Ed Boyden A light switch for neurons (39) test
• Allan Jones A map of the brain (38) test
• Sergiu P. Pasca How we're reverse engineering the human brain in the lab (38) test
• Susan Solomon The promise of research with stem cells (37) test
• Tricia Wang The human insights missing from big data (36) test

Steve Presley: Can global food companies make the shift to regenerative agriculture? - test

• Brent Loken Can we create the "perfect" farm? (31) test
• Jonathan Foley The other inconvenient truth (30) test
• Beth Ford What farmers need to be modern, climate-friendly and profitable (30) test
• Steve Howard Let's go all-in on selling sustainability (30) test
• Jacqueline Novogratz Invest in Africa's own solutions (30) test

Steve Ramirez and Xu Liu: A mouse. A laser beam. A manipulated memory. - test

• Amy Milton Can we edit memories? (53) test
• Ed Boyden A light switch for neurons (52) test
• Sam Kean What happens when you remove the hippocampus? (49) test
• Lisa Genova How your memory works -- and why forgetting is totally OK (48) test
• Catharine Young How memories form and how we lose them (48) test

Steve Rothstein: Would you raise the bird that murdered your children? - test

• Daniel Finkel Can you solve the cuddly duddly fuddly wuddly riddle? (23) test
• Walter R. Tschinkel Mating frenzies, sperm hoards, and brood raids the life of a fire ant queen (22) test
• Kenny Coogan Licking bees and pulping trees The reign of a wasp queen (17) test
• Ed Yong Zombie roaches and other parasite tales (17) test
• Scott Gass The survival of the sea turtle (15) test

Steve Silberman: The forgotten history of autism - test

• Wendy Chung Autism — what we know (and what we don't know yet) (52) test
• Kate Kahle Why autism is often missed in women and girls (50) test
• Ami Klin A new way to diagnose autism (47) test
• Ethan Lisi What it's really like to have autism (45) test
• Stuart Duncan How I use Minecraft to help kids with autism (36) test

Steve Simpson: How ocean noise destroys marine ecosystems - test

• Mike Gil Could fish social networks help us save coral reefs? (54) test
• Paul Greenberg The four fish we're overeating -- and what to eat instead (49) test
• Jeremy Jackson How we wrecked the ocean (47) test
• Mike Gil The big-beaked, rock-munching fish that protect coral reefs (44) test
• Dan Barber How I fell in love with a fish (41) test

Steve Truglia: A leap from the edge of space - test

• Alan Eustace I leapt from the stratosphere. Here's how I did it (33) test
• Burt Rutan The real future of space exploration (26) test
• Richard Pyle A dive into the reef's Twilight Zone (26) test
• Dean Kamen To invent is to give (26) test
• Richard Branson Life at 30,000 feet (26) test

Steven Addis: A father-daughter bond, one photo at a time - test

• Chinaka Hodge What will you tell your daughters about 2016? (28) test
• JR One year of turning the world inside out (27) test
• Alejandro Chaskielberg Cómo usar el arte de la fotografía para restaurar la memoria (27) test
• Bruce Feiler The council of dads (26) test
• Erin Sullivan Does photographing a moment steal the experience from you? (26) test

Steven Allison: Earth's original inhabitants -- and their role in combating climate change - test

• Jane Zelikova The hidden wonders of soil (50) test
• Asmeret Asefaw Berhe A climate change solution that's right under our feet (49) test
• Rob Knight How our microbes make us who we are (42) test
• Carolyn Marshall Why didn't this 2,000 year old body decompose? (39) test
• Colin Averill How to harness the ancient partnership between forests and fungi (36) test

Steven Anderson: What makes volcanoes erupt? - test

• Jean-Baptiste P. Koehl The continents are moving. When will they collide? (23) test
• Jean-Baptiste P. Koehl Iceland's superpowered underground volcanoes (21) test
• Li Wei Tan The fascinating science of bubbles, from soap to champagne (21) test
• Jean-Baptiste P. Koehl Why are earthquakes so hard to predict? (19) test
• The Soul Rebels "Rebelosis" / "Rebel Rock" / "Rebel on That Level" (17) test

Steven Cowley: Fusion is energy's future - test

• Michel Laberge How synchronized hammer strikes could generate nuclear fusion (60) test
• Taylor Wilson Yup, I built a nuclear fusion reactor (49) test
• Taylor Wilson My radical plan for small nuclear fission reactors (37) test
• Michael Shellenberger How fear of nuclear power is hurting the environment (35) test
• TED-Ed How much electricity does it take to power the world? (35) test

Steven Johnson: How humanity doubled life expectancy in a century - test

• Philip Rosedale Life in Second Life (45) test
• Nic Marks The Happy Planet Index (40) test
• Bruce Feiler The secret to mastering life's biggest transitions (39) test
• Nick Bostrom A philosophical quest for our biggest problems (38) test
• Parag Khanna Where on Earth will people live in the future? (37) test

Steven Johnson: How the "ghost map" helped end a killer disease - test

• Scott Dinsmore How to find work you love (42) test
• Danny Dorling Maps that show us who we are (not just where we are) (41) test
• Amanda Burden How public spaces make cities work (40) test
• Fahad Al-Attiya A country with no water (39) test
• Wael Ghonim Inside the Egyptian revolution (39) test

Steven Johnson: The Web as a city - test

• Sergey Brin + Larry Page The genesis of Google (42) test
• Eli Pariser Beware online "filter bubbles" (39) test
• Theaster Gates How to revive a neighborhood with imagination, beauty and art (38) test
• Kevin Kelly The next 5,000 days of the web (38) test
• David Carson Design and discovery (38) test

Steven Johnson: The playful wonderland behind great inventions - test

• Ge Wang The DIY orchestra of the future (34) test
• Sergio Feferovich La música de las ideas (30) test
• Tod Machover + Dan Ellsey Inventing instruments that unlock new music (29) test
• Andrew Peek How your personal narrative limits your future (27) test
• John Graham-Cumming The greatest machine that never was (27) test

Steven Johnson: Where good ideas come from - test

• Dan Dennett Dangerous memes (37) test
• Adam Grant The surprising habits of original thinkers (36) test
• César Hidalgo A bold idea to replace politicians (36) test
• Bill Burnett 5 steps to designing the life you want (36) test
• Seth Godin The tribes we lead (36) test

Steven Levitt: Surprising stats about child carseats - test

• Chris Urmson How a driverless car sees the road (40) test
• Alex Koster What will the dream car of the future be like? (39) test
• Peter van Manen Better baby care -- thanks to Formula 1 (38) test
• Chris Gerdes The future race car -- 150mph, and no driver (38) test
• Lisa Gansky The future of business is the "mesh" (37) test

Steven Levitt: The freakonomics of crack dealing - test

• Ricardo Semler How to run a company with (almost) no rules (28) test
• Amanda Palmer The art of asking (27) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (26) test
• Ray Dalio What coronavirus means for the global economy (26) test
• Bill Gates Mosquitos, malaria and education (26) test

Steven Petrow: 3 ways to practice civility - test

• Teresa Bejan Is civility a sham? (51) test
• Simon Anholt Which country does the most good for the world? (24) test
• Christine Porath Why being respectful to your coworkers is good for business (24) test
• Erin McKean Go ahead, make up new words! (24) test
• Elizabeth Stordeur Pryor Why it's so hard to talk about the N-word (23) test

Steven Pinker and Rebecca Newberger Goldstein: The long reach of reason - test

• Paul Bloom Can prejudice ever be a good thing? (29) test
• Glenn Greenwald Why privacy matters (26) test
• Jonathan Haidt Can a divided America heal? (25) test
• David Brooks The social animal (24) test
• Nick Bostrom A philosophical quest for our biggest problems (23) test

Steven Pinker: Human nature and the blank slate - test

• David Brooks The social animal (28) test
• Nick Bostrom A philosophical quest for our biggest problems (27) test
• iO Tillett Wright Fifty shades of gay (26) test
• Sam Harris Science can answer moral questions (26) test
• Helen Fisher Technology hasn't changed love. Here's why (25) test

Steven Pinker: Is the world getting better or worse? A look at the numbers - test

• Will MacAskill What are the most important moral problems of our time? (41) test
• Jennifer D. Sciubba The truth about human population decline (41) test
• Hans and Ola Rosling How not to be ignorant about the world (40) test
• Yannick Roudaut How today's truths shape tomorrow's possibilities (40) test
• Angus Hervey Why are we so bad at reporting good news? (40) test

Steven Pinker: The surprising decline in violence - test

• Rachel Kleinfeld A path to security for the world's deadliest countries (38) test
• Steven Pinker Is the world getting better or worse? A look at the numbers (31) test
• Robert Muggah How to protect fast-growing cities from failing (31) test
• Thomas Abt Why violence clusters in cities -- and how to reduce it (29) test
• David R. Dow Lessons from death row inmates (29) test

Steven Pinker: What our language habits reveal - test

• David Peterson Why language is humanity's greatest invention (44) test
• Michael Corballis Evolution's great mystery Language (41) test
• Poet Ali The language of being human (40) test
• Archie Crowley Language around gender and identity evolves (and always has) (36) test
• Lera Boroditsky How language shapes the way we think (36) test

Steven Schwaitzberg: A universal translator for surgeons - test

• Nadine Hachach-Haram How augmented reality could change the future of surgery (43) test
• Catherine Mohr Surgery's past, present and robotic future (43) test
• Atul Gawande How do we heal medicine? (33) test
• Fields Wicker-Miurin Learning from leadership's missing manual (30) test
• Andrew McAfee Are droids taking our jobs? (29) test

Steven Sharp Nelson: How music can help you find peace after loss - test

• Hrishikesh Hirway What you discover when you really listen (34) test
• Tod Machover + Dan Ellsey Inventing instruments that unlock new music (32) test
• Indre Viskontas How music makes me a better neuroscientist (31) test
• Paul Rucker How my mom inspired my approach to the cello (31) test
• Susan Cain and Min Kym The hidden power of sad songs and rainy days (30) test

Steven Strogatz: The science of sync - test

• Ian Firth Bridges should be beautiful (37) test
• Kevin Briggs The bridge between suicide and life (32) test
• Alex Gendler Building the impossible Golden Gate Bridge (30) test
• Markham Nolan How to separate fact and fiction online (29) test
• Alex Gendler Can you solve the bridge riddle? (23) test

Steven Wise: Chimps have feelings and thoughts. They should also have rights - test

• Rohan Pavuluri An app that empowers people to solve their legal problems (38) test
• Philip K. Howard Four ways to fix a broken legal system (32) test
• Becca Heller A safe pathway to resettlement for migrants and refugees (32) test
• Lam Ho How to participate in your own legal defense (29) test
• Itamar Mann A new approach to defending the human rights of migrants (23) test

Steven Zheng: How does anesthesia work? - test

• Sally Frampton What did people do before anesthesia? (26) test
• Karen D. Davis How does your brain respond to pain? (24) test
• Antonio Cataldo What would happen if you lost your sense of touch? (24) test
• Joshua W. Pate The mysterious science of pain (23) test
• Melanie E. Peffer The artist who won a Nobel Prize... in medicine (21) test

Stew: "Black Men Ski" - test

• Vernā Myers How to overcome our biases? Walk boldly toward them (55) test
• Larry Irvin A program to empower Black teachers in the US (44) test
• Michael Kimmel Why gender equality is good for everyone — men included (43) test
• Joseph Ravenell How barbershops can keep men healthy (41) test
• Jimmie Briggs 3 things men can do to promote gender equity (39) test

Stewart Brand + Mark Z. Jacobson: Debate Does the world need nuclear energy? - test

• Michael Shellenberger How fear of nuclear power is hurting the environment (68) test
• Isabelle Boemeke Nuclear power is our best hope to ditch fossil fuels (64) test
• Irwin Redlener How to survive a nuclear attack (60) test
• Erika Gregory The world doesn't need more nuclear weapons (57) test
• Emma Belcher Nuclear threat and the war in Ukraine (51) test

Stewart Brand and Chris Anderson: Mammoths resurrected, geoengineering and other thoughts from a futurist - test

• Shonda Rhimes and Cyndi Stivers The future of storytelling (37) test
• Jane Goodall Every day you live, you impact the planet (36) test
• Linus Torvalds The mind behind Linux (35) test
• Seth Godin The tribes we lead (35) test
• Stewart Brand 4 environmental 'heresies' (34) test

Stewart Brand: 4 environmental 'heresies' - test

• Michael Shellenberger How fear of nuclear power is hurting the environment (47) test
• Joe Lassiter We need nuclear power to solve climate change (46) test
• Stewart Brand + Mark Z. Jacobson Debate Does the world need nuclear energy? (43) test
• Alex Steffen The route to a sustainable future (41) test
• Bill Gates Innovating to zero! (41) test