TED Recommendations

LB Hannahs: What it's like to be a transgender dad - test

• Jo Michael Rezes A playful exploration of gender performance (33) test
• Tiq Milan and Kim Katrin Milan A queer vision of love and marriage (33) test
• Geena Rocero Why I must come out (30) test
• Ivan Coyote Why we need gender-neutral bathrooms (30) test
• Paula Stone Williams and Jonathan Williams The story of a parent's transition and a son's redemption (29) test

LZ Granderson: The myth of the gay agenda - test

• Panti Bliss The necessity of normalizing queer love (49) test
• Yoruba Richen What the gay rights movement learned from the civil rights movement (42) test
• Thomas Lloyd Why am I "so gay?" (40) test
• Lynne Elvins The myths of gay adoption (39) test
• Lyra McKee How uncomfortable conversations can save lives (39) test

LaToya Ruby Frazier: A creative solution for the water crisis in Flint, Michigan - test

• Lana Mazahreh 3 thoughtful ways to conserve water (59) test
• David Sedlak 4 ways we can avoid a catastrophic drought (57) test
• Kelsey Leonard Why lakes and rivers should have the same rights as humans (57) test
• Deepika Kurup A young scientist's quest for clean water (56) test
• Rob Harmon How to keep rivers and streams flowing (55) test

LaToya Ruby Frazier: A visual history of inequality in industrial America - test

• Jessica Pryce To transform child welfare, take race out of the equation (18) test
• Anna Malaika Tubbs The critical role of Black mothers -- and how to support all moms (17) test
• Julieanna L. Richardson The mission to safeguard Black history in the US (16) test
• Sixto Cancel A foster care system where every child has a loving home (16) test
• Kedra Newsom Reeves How to reduce the wealth gap between Black and white Americans (16) test

Lakshmi Pratury: The lost art of letter-writing - test

• Raghava KK What's your 200-year plan? (25) test
• Sue Klebold My son was a Columbine shooter. This is my story (24) test
• Stephen Cave The 4 stories we tell ourselves about death (23) test
• Jarrett J. Krosoczka How a boy became an artist (23) test
• Alua Arthur Why thinking about death helps you live a better life (22) test

Lalitesh Katragadda: Making maps to fight disaster, build economies - test

• Rebecca Firth Can we call it a "world map" if it's missing a billion people? (46) test
• Danny Dorling Maps that show us who we are (not just where we are) (39) test
• Kayla Wolf Why every world map is wrong (36) test
• Tawanda Kanhema My journey mapping the uncharted world (35) test
• Kayla Wolf The biggest mistakes in mapmaking history (33) test

Lam Ho: How to participate in your own legal defense - test

• Philip K. Howard Four ways to fix a broken legal system (30) test
• Steven Wise Chimps have feelings and thoughts. They should also have rights (29) test
• Vivek Maru How to put the power of law in people's hands (27) test
• Victoria Pratt How judges can show respect (25) test
• Jessica Kerr Who makes judges? (25) test

Lana Mazahreh: 3 thoughtful ways to conserve water - test

• David Sedlak 4 ways we can avoid a catastrophic drought (78) test
• Kelsey Leonard Why lakes and rivers should have the same rights as humans (76) test
• Rob Harmon How to keep rivers and streams flowing (75) test
• Balsher Singh Sidhu Are we running out of clean water? (74) test
• Deepika Kurup A young scientist's quest for clean water (73) test

Laolu Senbanjo: "The Sacred Art of the Ori" - test

• Phil Hansen Embrace the shake (45) test
• Young-ha Kim Be an artist, right now! (44) test
• Touria El Glaoui Inside Africa's thriving art scene (43) test
• Aja Monet and phillip agnew A love story about the power of art as organizing (40) test
• Amy Herman A lesson on looking (40) test

Lara Durgavich: An evolutionary perspective on human health and disease - test

• Amber M. Yates How this disease changes the shape of your cells (28) test
• Christina Warinner Tracking ancient diseases using ... plaque (26) test
• Laurence Hurst Is human evolution speeding up or slowing down? (25) test
• Harvey Fineberg Are we ready for neo-evolution? (23) test
• Alex Gendler Myths and misconceptions about evolution (23) test

Lara Setrakian: 3 ways to fix a broken news industry - test

• Alisa Miller How the news distorts our worldview (41) test
• Ann Curry How to restore trust in Journalism (34) test
• Christiane Amanpour How to seek truth in the era of fake news (32) test
• Kirk Citron And now, the real news (30) test
• Olga Yurkova Inside the fight against Russia's fake news empire (30) test

Larry Brilliant: A global pandemic calls for global solutions - test

• Larry Brilliant My wish Help me stop pandemics (50) test
• Alex Rosenthal When is a pandemic over? (44) test
• Seth Berkley The quest for the coronavirus vaccine (41) test
• Laurie Garrett Lessons from the 1918 flu (39) test
• Maria Van Kerkhove How to end the pandemic -- and prepare for the next (39) test

Larry Brilliant: My wish Help me stop pandemics - test

• Larry Brilliant A global pandemic calls for global solutions (50) test
• Larry Brilliant The case for optimism (43) test
• Bruce Aylward How we'll stop polio for good (32) test
• Natalie Cargill How to solve the world's biggest problems (31) test
• Bill Gates How the pandemic will shape the near future (31) test

Larry Brilliant: The case for optimism - test

• Larry Brilliant My wish Help me stop pandemics (43) test
• Hans Rosling Global population growth, box by box (37) test
• Gordon Brown Wiring a web for global good (36) test
• Al Gore How to make radical climate action the new normal (36) test
• Natalie Cargill How to solve the world's biggest problems (35) test

Larry Burns: The future of cars - test

• Bill Ford A future beyond traffic gridlock (39) test
• Dean Kamen To invent is to give (36) test
• Travis Kalanick Uber's plan to get more people into fewer cars (36) test
• Shai Agassi A new ecosystem for electric cars (32) test
• Vaitea Cowan How green hydrogen could end the fossil fuel era (31) test

Larry Irvin: A program to empower Black teachers in the US - test

• Vernā Myers How to overcome our biases? Walk boldly toward them (52) test
• Sharif El-Mekki Reviving the legacy of the Black teaching tradition (48) test
• Stew "Black Men Ski" (44) test
• Julieanna L. Richardson The mission to safeguard Black history in the US (41) test
• Alvin Irby How to inspire every child to be a lifelong reader (39) test

Larry Lagerstrom: Einstein's miracle year - test

• Miguel Alcubierre ¿Cómo podríamos viajar más rápido que la velocidad de la luz? (38) test
• Einstein the Parrot A talking, squawking parrot (36) test
• Andrew Zimmerman Jones Does time exist? (32) test
• Harry Cliff Have we reached the end of physics? (29) test
• Tim Harford A powerful way to unleash your natural creativity (29) test

Larry Page: Where's Google going next? - test

• Sergey Brin + Larry Page The genesis of Google (53) test
• Ricardo Semler How to run a company with (almost) no rules (51) test
• Scott Dinsmore How to find work you love (51) test
• Linus Torvalds The mind behind Linux (50) test
• Richard Branson Life at 30,000 feet (48) test

Larry Smith: Why you will fail to have a great career - test

• Chieh Huang How to know if it's time to change careers (32) test
• Sir Ken Robinson Bring on the learning revolution! (28) test
• Andy Hobsbawm Do the green thing (28) test
• Noeline Kirabo 2 questions to uncover your passion -- and turn it into a career (28) test
• Carol Fishman Cohen How to get back to work after a career break (27) test

Lars Brownworth: The city of walls Constantinople - test

• Megan Campisi and Pen-Pen Chen What makes the Great Wall of China so extraordinary (29) test
• Ronald Rael An architect's subversive reimagining of the US-Mexico border wall (25) test
• Mick Cornett How an obese town lost a million pounds (25) test
• Liam Young Planet City -- a sci-fi vision of an astonishing regenerative future (24) test
• Alexandra Auer The intangible effects of walls (24) test

Latif Nasser: The amazing story of the man who gave us modern pain relief - test

• Amy Baxter How to hack your brain when you're in pain (51) test
• Sheetal DeCaria The bias behind your undiagnosed chronic pain (51) test
• Karen D. Davis How does your brain respond to pain? (48) test
• Austin Eubanks What surviving the Columbine shooting taught me about pain (48) test
• Joshua W. Pate The mysterious science of pain (47) test

Latif Nasser: You have no idea where camels really come from - test

• Keith Bellows The camel's hump (35) test
• Victoria Gill What a nun can teach a scientist about ecology (28) test
• Manoush Zomorodi How boredom can lead to your most brilliant ideas (26) test
• Andrew Peek How your personal narrative limits your future (22) test
• Peter Ward A theory of Earth's mass extinctions (22) test

Laura Bates: Everyday sexism - test

• Gretchen Carlson How we can end sexual harassment at work (56) test
• Sheryl Sandberg So we leaned in ... now what? (55) test
• Shad Begum How women in Pakistan are creating political change (55) test
• Madeleine Albright On being a woman and a diplomat (54) test
• Srishti Bakshi My long walk across India for women's freedom (54) test

Laura Boushnak: For these women, reading is a daring act - test

• Shad Begum How women in Pakistan are creating political change (39) test
• Cecile Richards The political progress women have made -- and what's next (39) test
• Srishti Bakshi My long walk across India for women's freedom (38) test
• Gayle Tzemach Lemmon Women entrepreneurs, example not exception (37) test
• Leila Hoteit 3 lessons on success from an Arab businesswoman (36) test

Laura Boushnak: The deadly legacy of cluster bombs - test

• Melissa Fleming Let's help refugees thrive, not just survive (26) test
• David Lee Why jobs of the future won't feel like work (23) test
• Hans Rosling Let my dataset change your mindset (23) test
• Samantha Nutt The real harm of the global arms trade (22) test
• Luma Mufleh Don't feel sorry for refugees -- believe in them (22) test

Laura Boykin: How we're using DNA tech to help farmers fight crop diseases - test

• Anushka Ratnayake A transparent, easy way for smallholder farmers to save (37) test
• Eric Sannerud Without farmers, you'd be hungry, naked and sober (32) test
• Mohammad Modarres Why you should shop at your local farmers market (32) test
• Andrew Youn 3 reasons why we can win the fight against poverty (31) test
• Sathya Raghu Mokkapati The "greenhouse-in-a-box" empowering farmers in India (31) test

Laura Carstensen: Older people are happier - test

• Jared Diamond How societies can grow old better (60) test
• Scott Dinsmore How to find work you love (58) test
• Ricardo Semler How to run a company with (almost) no rules (53) test
• Ashton Applewhite Let's end ageism (52) test
• Robert Reffkin 5 ways to create stronger connections (50) test

Laura Galante: How (and why) Russia hacked the US election - test

• Damon Brown How to choose your news (32) test
• JP Rangaswami Information is food (32) test
• Malte Spitz Your phone company is watching (31) test
• Alessandro Acquisti What will a future without secrets look like? (31) test
• David Cameron The next age of government (30) test

Laura Gassner Otting: Why doesn't success bring happiness? - test

• Richard St. John Success is a continuous journey (28) test
• Albert-László Barabási The real relationship between your age and your chance of success (25) test
• Dominic Price What's your happiness score? (24) test
• Andy Puddicombe All it takes is 10 mindful minutes (23) test
• ZigZag Step 1 The Puls‪e‬ (22) test

Laura Indolfi: Good news in the fight against pancreatic cancer - test

• David Agus A new strategy in the war on cancer (53) test
• Adam de la Zerda We can start winning the war against cancer (49) test
• Jimmy Lin A simple new blood test that can catch cancer early (47) test
• Jack Andraka A promising test for pancreatic cancer ... from a teenager (45) test
• Paula Hammond A new superweapon in the fight against cancer (45) test

Laura L. Dunn: It's time for the law to protect victims of gender violence - test

• Thomas Abt Why violence clusters in cities -- and how to reduce it (26) test
• Jo Michael Rezes A playful exploration of gender performance (26) test
• Rachel Kleinfeld A path to security for the world's deadliest countries (25) test
• Howard Taylor A global initiative to end violence against children (25) test
• Gary Haugen The hidden reason for poverty the world needs to address now (24) test

Laura Robinson: The secrets I find on the mysterious ocean floor - test

• Rob Dunbar Discovering ancient climates in oceans and ice (53) test
• Triona McGrath How pollution is changing the ocean's chemistry (46) test
• Susan Ruffo The ocean's ingenious climate solutions (45) test
• Sylvia Earle My wish Protect our oceans (43) test
• Scott Gass How big is the ocean? (41) test

Laura Rovner: What happens to people in solitary confinement - test

• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (35) test
• Clementine Jacoby How bad data traps people in the US justice system (34) test
• Scott Dinsmore How to find work you love (33) test
• JR Why art is a tool for hope (32) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (32) test

Laura Schulz: The surprisingly logical minds of babies - test

• Alison Gopnik What do babies think? (43) test
• Patricia Kuhl The linguistic genius of babies (39) test
• Paul Knoepfler The ethical dilemma of designer babies (25) test
• Jane Chen A warm embrace that saves lives (24) test
• Wajahat Ali The case for having kids (24) test

Laura Snyder: The Philosophical Breakfast Club - test

• Naomi Oreskes Why we should trust scientists (31) test
• Michael Nielsen Open science now! (31) test
• E.O. Wilson Advice to a young scientist (31) test
• Siska De Baerdemaeker Science vs. Pseudoscience (30) test
• Kirsty Duncan Scientists must be free to learn, to speak and to challenge (30) test

Laura Trice: Remember to say thank you - test

• Pico Iyer Where is home? (27) test
• Courtney E. Martin The new American Dream (25) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (25) test
• Fields Wicker-Miurin Learning from leadership's missing manual (25) test
• Simon Sinek How to discover your "why" in difficult times (24) test

Laura Vanderkam: How to gain control of your free time - test

• Alexander Leitner Can time be wasted? (58) test
• Andrew Zimmerman Jones Does time exist? (53) test
• Brittney Cooper The racial politics of time (50) test
• Ashley Whillans 3 rules for better work-life balance (49) test
• Stephen Wilkes The passing of time, caught in a single photo (48) test

Laura Wright: Why should you read "The God of Small Things" by Arundhati Roy? - test

• Shashi Tharoor Why nations should pursue soft power (19) test
• Nandan Nilekani Ideas for India's future (19) test
• Panti Bliss The necessity of normalizing queer love (18) test
• Tom Honey Why would God create a tsunami? (18) test
• Devdutt Pattanaik East vs. West -- the myths that mystify (18) test

Laurel Braitman: Depressed dogs, cats with OCD — what animal madness means for us humans - test

• Emma Marris Are wild animals really "wild"? (39) test
• Barbara J. King Grief and love in the animal kingdom (37) test
• Carl Safina What are animals thinking and feeling? (34) test
• Gregory Berns What emotions look like in a dog's brain (33) test
• Alexandra Horowitz Why all dogs are good dogs (32) test

Laurel Braitman: The mental health benefits of storytelling for health care workers - test

• Leana Wen What your doctor won’t disclose (36) test
• Gail Reed Where to train the world's doctors? Cuba. (35) test
• Hailey Hardcastle Why students should have mental health days (35) test
• Mary Bassett Why your doctor should care about social justice (32) test
• Johann Hari This could be why you're depressed or anxious (32) test

Lauren Hodge, Shree Bose + Naomi Shah: Award-winning teenage science in action - test

• Jay Bradner Open-source cancer research (35) test
• Romain Lacombe A personal air-quality tracker that lets you know what you're breathing (33) test
• David Agus A new strategy in the war on cancer (31) test
• Jimmy Lin A simple new blood test that can catch cancer early (30) test
• Danny Hillis Understanding cancer through proteomics (30) test

Lauren Pharr: How vultures can help solve crimes - test

• Kenny Coogan Vultures The acid-puking, plague-busting heroes of the ecosystem (50) test
• Munir Virani Why I love vultures (46) test
• Caitlin Doughty A burial practice that nourishes the planet (20) test
• Eve Ensler Suddenly, my body (19) test
• Alua Arthur Why thinking about death helps you live a better life (18) test

Lauren Sallan: A brief tour of the last 4 billion years (dinosaurs not included) - test

• Lauren Sallan How to win at evolution and survive a mass extinction (33) test
• Peter Ward A theory of Earth's mass extinctions (32) test
• Tara Djokic This ancient rock is changing our theory on the origin of life (30) test
• Sylvia Earle My wish Protect our oceans (30) test
• Frans Lanting The story of life in photographs (29) test

Lauren Sallan: How to win at evolution and survive a mass extinction - test

• Lauren Sallan A brief tour of the last 4 billion years (dinosaurs not included) (33) test
• Michael Benton Mass extinctions and the future of life on Earth (31) test
• Prosanta Chakrabarty Clues to prehistoric times, found in blind cavefish (30) test
• E.O. Wilson My wish Build the Encyclopedia of Life (29) test
• Spencer Wells A family tree for humanity (29) test

Lauren Zalaznick: The conscience of television - test

• Shonda Rhimes and Cyndi Stivers The future of storytelling (37) test
• Yang Lan The generation that's remaking China (26) test
• Sarah Jones A one-woman global village (24) test
• Mihaly Csikszentmihalyi Flow, the secret to happiness (23) test
• Robert Wright Progress is not a zero-sum game (23) test

Laurence Hurst: Is human evolution speeding up or slowing down? - test

• Alex Gendler Myths and misconceptions about evolution (32) test
• Harvey Fineberg Are we ready for neo-evolution? (29) test
• Paul Knoepfler The ethical dilemma of designer babies (29) test
• Svante Pääbo DNA clues to our inner neanderthal (28) test
• Pamela Ronald The case for engineering our food (26) test

Laurie Garrett: Lessons from the 1918 flu - test

• Alex Rosenthal When is a pandemic over? (43) test
• Seth Berkley HIV and flu -- the vaccine strategy (43) test
• Maria Van Kerkhove How to end the pandemic -- and prepare for the next (41) test
• Larry Brilliant A global pandemic calls for global solutions (39) test
• Bill Gates How the pandemic will shape the near future (39) test

Laurie Santos: A monkey economy as irrational as ours - test

• Sarah Brosnan Why monkeys (and humans) are wired for fairness (36) test
• Nick Bostrom A philosophical quest for our biggest problems (30) test
• Ricardo Semler How to run a company with (almost) no rules (29) test
• Ken Jennings Watson, Jeopardy and me, the obsolete know-it-all (28) test
• Shervin Khodabandeh Why people and AI make good business partners (28) test

Lawrence Lessig: Laws that choke creativity - test

• Lawrence Lessig Re-examining the remix (32) test
• Richard Baraniuk The birth of the open-source learning revolution (31) test
• Michael Tilson Thomas Music and emotion through time (30) test
• Reed Hastings How Netflix changed entertainment -- and where it's headed (29) test
• Ge Wang The DIY orchestra of the future (28) test

Lawrence Lessig: Re-examining the remix - test

• Lawrence Lessig Laws that choke creativity (32) test
• Arthur Brooks A conservative's plea Let's work together (29) test
• Richard Baraniuk The birth of the open-source learning revolution (29) test
• Tom Graham The incredible creativity of deepfakes -- and the worrying future of AI (28) test
• Yochai Benkler The new open-source economics (27) test

Lawrence Lessig: The unstoppable walk to political reform - test

• Lawrence Lessig We the People, and the Republic we must reclaim (31) test
• Ricardo Semler How to run a company with (almost) no rules (31) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (30) test
• Ivan Krastev Can democracy exist without trust? (30) test
• Chris Anderson TED's nonprofit transition (29) test

Lawrence Lessig: We the People, and the Republic we must reclaim - test

• Simon Anholt Who would the rest of the world vote for in your country's election? (32) test
• Lawrence Lessig The unstoppable walk to political reform (31) test
• Dan Ariely How to change your behavior for the better (31) test
• Max Rashbrooke 3 ways to upgrade democracy for the 21st century (29) test
• Adam Davidson What we learned from teetering on the fiscal cliff (29) test

Lea Gaslowitz: How to spot a misleading graph - test

• Giorgia Lupi How we can find ourselves in data (30) test
• Tim Berners-Lee The next web (27) test
• Sebastian Wernicke How to use data to make a hit TV show (26) test
• Mainak Mazumdar How bad data keeps us from good AI (25) test
• Jennifer Zhu Scott Why you should get paid for your data (25) test

Leah Buechley: How to "sketch" with electronics - test

• Tod Machover + Dan Ellsey Inventing instruments that unlock new music (24) test
• Richard Baraniuk The birth of the open-source learning revolution (24) test
• Catarina Mota Play with smart materials (24) test
• Mark Applebaum The mad scientist of music (22) test
• Jay Silver Hack a banana, make a keyboard! (22) test

Leah Chase and Pat Mitchell: An interview with the Queen of Creole Cuisine - test

• Ricardo Coler Allá donde las mujeres mandan (43) test
• Sheryl Sandberg Why we have too few women leaders (43) test
• Hawa Abdi + Deqo Mohamed Mother and daughter doctor-heroes (43) test
• Sakena Yacoobi How I stopped the Taliban from shutting down my school (43) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (43) test

Leah Garcés: A lesson in turning adversaries into allies - test

• Jacy Reese Anthis Why we should end animal agriculture (37) test
• Peter Singer A modern argument for the rights of animals (29) test
• Isha Datar How we could eat real meat without harming animals (26) test
• Bob Langert The business case for working with your toughest critics (26) test
• Ricardo Semler How to run a company with (almost) no rules (25) test

Leah Georges: How generational stereotypes hold us back at work - test

• Jason Fried Why work doesn't happen at work (45) test
• Scott Dinsmore How to find work you love (43) test
• Anjali Sud and Stephanie Mehta How great leaders take on uncertainty (43) test
• Debbie Lovich 3 tips for leaders to get the future of work right (42) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (42) test

Leah Lagos and Jaspal Ricky Singh: How playing sports benefits your body... and your brain - test

• Gonzalo Vilariño How Argentina's blind soccer team became champions (24) test
• Valorie Kondos Field Why winning doesn't always equal success (24) test
• Wendy Suzuki The brain-changing benefits of exercise (23) test
• Kate Ackerman What girls and women in sports need to unlock their potential (22) test
• Catherine Price 3 elements of true fun -- and how to have more of it (21) test

Leana Wen: What your doctor won’t disclose - test

• Dave deBronkart Meet e-Patient Dave (44) test
• Gail Reed Where to train the world's doctors? Cuba. (37) test
• Mitchell Katz What the US health care system assumes about you (37) test
• Laurel Braitman The mental health benefits of storytelling for health care workers (36) test
• Kristie Overstreet What doctors should know about gender identity (36) test

Lee Cronin: Making matter come alive - test

• Betül Kaçar We could kick-start life on another planet. Should we? (49) test
• Christoph Adami Finding life we can't imagine (49) test
• Juan Enriquez The age of genetic wonder (44) test
• Tara Djokic This ancient rock is changing our theory on the origin of life (43) test
• Floyd E. Romesberg The radical possibilities of man-made DNA (42) test

Lee Cronin: Print your own medicine - test

• Jakob Magolan A crash course in organic chemistry (27) test
• Jay Bradner Open-source cancer research (27) test
• Danit Peleg Forget shopping. Soon you'll download your new clothes (22) test
• Bonnie Bassler How bacteria "talk" (21) test
• Cathy Mulzer The incredible chemistry powering your smartphone (20) test

Lee Hotz: Inside an Antarctic time machine - test

• Kristin Poinar What's hidden under the Greenland ice sheet? (43) test
• Dustin Schroeder How we look kilometers below the Antarctic ice sheet (40) test
• Rob Dunbar Discovering ancient climates in oceans and ice (38) test
• James Balog Time-lapse proof of extreme ice loss (38) test
• Paul Nicklen Animal tales from icy wonderlands (37) test

Lee Mokobe: A powerful poem about what it feels like to be transgender - test

• iO Tillett Wright Fifty shades of gay (26) test
• Nicole Maines The trans story includes you (24) test
• Colin Powell Kids need structure (22) test
• Eve Ensler Suddenly, my body (22) test
• Sir Ken Robinson Do schools kill creativity? (21) test

Lee Smolin: Science and democracy - test

• Katie Mack Life-altering questions about the end of the universe (44) test
• Sean Carroll Distant time and the hint of a multiverse (37) test
• Stephen Hawking Questioning the universe (36) test
• Andrew Zimmerman Jones Does time exist? (35) test
• Harry Cliff Have we reached the end of physics? (33) test

Lee Thomas: How I help people understand vitiligo - test

• Scott Dinsmore How to find work you love (37) test
• Ricardo Semler How to run a company with (almost) no rules (36) test
• Deeyah Khan What we don't know about Europe's Muslim kids (35) test
• Lizzie Velásquez How do you define yourself? (35) test
• Charlie Todd The shared experience of absurdity (34) test

LeeAnn Renninger: The secret to giving great feedback - test

• Ayelet Fishbach 4 proven ways to kick your procrastination habit (30) test
• Greg Brockman The inside story of ChatGPT's astonishing potential (26) test
• Andrew Bird A one-man orchestra of the imagination (25) test
• Bill Gates Teachers need real feedback (21) test
• Adam Grant Are you a giver or a taker? (21) test

Lei Li: The incredible cancer-detecting potential of photoacoustic imaging - test

• Adam de la Zerda We can start winning the war against cancer (34) test
• Jimmy Lin A simple new blood test that can catch cancer early (33) test
• Deborah Rhodes A test that finds 3x more breast tumors, and why it's not available to you (31) test
• David Agus A new strategy in the war on cancer (31) test
• Joshua Smith New nanotech to detect cancer early (31) test

Leila Hoteit: 3 lessons on success from an Arab businesswoman - test

• Sheryl Sandberg Why we have too few women leaders (50) test
• Ricardo Coler Allá donde las mujeres mandan (49) test
• Shad Begum How women in Pakistan are creating political change (48) test
• Julia Gillard and Ngozi Okonjo-Iweala 6 essential lessons for women leaders (47) test
• Sheryl Sandberg So we leaned in ... now what? (46) test

Leila Pirhaji: The medical potential of AI and metabolites - test

• Nicholas Leeper Is there a link between cancer and heart disease? (24) test
• Stephen Friend The hunt for "unexpected genetic heroes" (23) test
• Céline Valéry How does your body process medicine? (22) test
• Julian Burschka What your breath could reveal about your health (22) test
• Jennifer Brea What happens when you have a disease doctors can't diagnose (22) test

Leila Seth: Why I defend women's inheritance rights - test

• Ziauddin Yousafzai My daughter, Malala (31) test
• Mary Maker Why I fight for the education of refugee girls (like me) (26) test
• Elizabeth Zion The need for family reunification -- to make families whole again (25) test
• Kakenya Ntaiya A girl who demanded school (25) test
• Ipsita Dasgupta To challenge the status quo, find a "co-conspirator" (25) test

Leila Takayama: What's it like to be a robot? - test

• Guy Hoffman Robots with "soul" (56) test
• Cynthia Breazeal The rise of personal robots (55) test
• Kate Darling Why we have an emotional connection to robots (54) test
• Rodney Brooks Robots will invade our lives (54) test
• Ken Goldberg 4 lessons from robots about being human (53) test

Leland Melvin: An astronaut's story of curiosity, perspective and change - test

• Cady Coleman What it's like to live on the International Space Station (33) test
• Phnam Bagley Gourmet food for the final frontier (33) test
• Víctor Demaría Pesce Cómo un doctor de astronautas capacita al cuerpo para el espacio (30) test
• Burt Rutan The real future of space exploration (30) test
• Sam Martin Claim your "manspace" (28) test

Lemn Sissay: A child of the state - test

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Leslie Herod: What if mental health workers responded to emergency calls? - test

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Leslie Kenna: The brilliance of bioluminescence - test

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Leticia Gasca: Don't fail fast -- fail mindfully - test

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Lewis Pugh: How I swam the North Pole - test

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Lewis Pugh: My mind-shifting Everest swim - test

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Li-Huei Tsai: Could we treat Alzheimer's with light and sound? - test

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Liam Young: Planet City -- a sci-fi vision of an astonishing regenerative future - test

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Liene Ozoliņa: Why do we blame individuals for economic crises? - test

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Liesbeth Demuyser: What causes yeast infections, and how do you get rid of them? - test

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Lieven Scheire: How quantum mechanics explains global warming - test

• Lucianne Walkowicz Light waves, visible and invisible (67) test
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Lindsey Schneider: Whose land are you on? What to know about the Indigenous Land Back movement - test

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Linus Torvalds: The mind behind Linux - test

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Lisa Bu: How books can open your mind - test

• Ann Morgan My year reading a book from every country in the world (33) test
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Lisa Damour: 3 steps of anxiety overload -- and how you can take back control - test

• Wendy Suzuki How to calm your anxiety, from a neuroscientist (64) test
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Lisa Dyson: A forgotten Space Age technology could change how we grow food - test

• Stacy Kauk The billion-dollar pollution solution humanity needs right now (39) test
• Jane Zelikova The hidden wonders of soil (39) test
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Lisa Feldman Barrett: You aren't at the mercy of your emotions -- your brain creates them - test

• Tom Oxley A brain implant that turns your thoughts into text (47) test
• Nita Farahany Your right to mental privacy in the age of brain-sensing tech (46) test
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• Christopher deCharms A look inside the brain in real time (44) test
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Lisa Gansky: The future of business is the "mesh" - test

• Travis Kalanick Uber's plan to get more people into fewer cars (42) test
• Robin Chase The idea behind Zipcar (and what comes next) (40) test
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Lisa Genova: How your memory works -- and why forgetting is totally OK - test

• Catharine Young How memories form and how we lose them (50) test
• Steve Ramirez and Xu Liu A mouse. A laser beam. A manipulated memory. (48) test
• Joshua Foer Feats of memory anyone can do (47) test
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Lisa Genova: What you can do to prevent Alzheimer's - test

• Samuel Cohen Alzheimer's is not normal aging — and we can cure it (48) test
• Matt Walker What's the connection between sleep and Alzheimer's disease? (47) test
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• Li-Huei Tsai Could we treat Alzheimer's with light and sound? (31) test
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Lisa Godwin: How teachers can help students navigate trauma - test

• Olympia Della Flora Creative ways to get kids to thrive in school (41) test
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Lisa Harouni: A primer on 3D printing - test

• Markus Mutz How supply chain transparency can help the planet (31) test
• Tim Berners-Lee The next web (31) test
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• Jennifer Zhu Scott Why you should get paid for your data (30) test
• Kenneth Cukier Big data is better data (29) test

Lisa Jackson and Liz Ogbu: Apple's promise to be carbon neutral by 2030 - test

• Sophia Kianni Language shouldn't be a barrier to climate action (38) test
• Britt Wray How climate change affects your mental health (37) test
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• Luisa Neubauer Why you should be a climate activist (36) test
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Lisa Janae Bacon: The life, legacy & assassination of an African revolutionary - test

• Julius Maada Bio A vision for the future of Sierra Leone (19) test
• Dalia Mogahed The attitudes that sparked Arab Spring (17) test
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Lisa Krause: Who were Las Mariposas, and why were they murdered? - test

• Ziauddin Yousafzai My daughter, Malala (19) test
• Leila Seth Why I defend women's inheritance rights (16) test
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Lisa Kristine: Photos that bear witness to modern slavery - test

• Kevin Bales How to combat modern slavery (52) test
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Lisa Margonelli: The political chemistry of oil - test

• Amory Lovins Winning the oil endgame (57) test
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• T. Boone Pickens Let's transform energy -- with natural gas (40) test

Lisa Mosconi: How menopause affects the brain - test

• Suzana Herculano-Houzel What is so special about the human brain? (45) test
• Mia Nacamulli How the food you eat affects your brain (45) test
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• Paula Johnson His and hers ... health care (43) test

Lisa Nip: How humans could evolve to survive in space - test

• Eric Hinterman How going to Mars improves life on Earth (39) test
• James Orsulak Why we need to move manufacturing off-planet (39) test
• Melodie Yashar How to build for human life on Mars (39) test
• Stephen Petranek Your kids might live on Mars. Here's how they'll survive (38) test
• Phnam Bagley Gourmet food for the final frontier (37) test

Lisa Winer: Can you solve the locker riddle? - test

• Alex Rosenthal Can you solve the rogue submarine riddle? Difficulty level Master (25) test
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Lisa Winer: Can you solve the river crossing riddle? - test

• Richard Turere My invention that made peace with lions (29) test
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Lisa Winer: Can you solve the virus riddle? - test

• Jeff Dekofsky The Infinite Hotel Paradox (37) test
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Liu Bolin: The invisible man - test

• Jason Fried Why work doesn't happen at work (34) test
• Roy Bahat and Bryn Freedman How do we find dignity at work? (33) test
• David Lee Why jobs of the future won't feel like work (32) test
• Debbie Lovich 3 tips for leaders to get the future of work right (32) test
• Patty McCord 4 lessons the pandemic taught us about work, life and balance (31) test

Liu Thai Ker: The architectural mastermind behind modern Singapore - test

• Rahul Mehrotra The architectural wonder of impermanent cities (53) test
• Mick Cornett How an obese town lost a million pounds (51) test
• Amanda Burden How public spaces make cities work (51) test
• Jaime Lerner A song of the city (48) test
• Liam Young Planet City -- a sci-fi vision of an astonishing regenerative future (45) test

Liv Boeree: 3 lessons on decision-making from a poker champion - test

• Serena Williams and Gayle King On tennis, love and motherhood (29) test
• Ken Jennings Watson, Jeopardy and me, the obsolete know-it-all (26) test
• Colin Camerer When you're making a deal, what's going on in your brain? (25) test
• Jane McGonigal Gaming can make a better world (25) test
• Tom Chatfield 7 ways games reward the brain (25) test

Liz Coleman: A call to reinvent liberal arts education - test

• Shai Reshef An ultra-low-cost college degree (32) test
• Sir Ken Robinson Do schools kill creativity? (32) test
• Charles Leadbeater Education innovation in the slums (31) test
• Sir Ken Robinson How to escape education's death valley (30) test
• Ahmad M. Hasnah Rethinking education and celebrating the Arabic language (30) test

Liz Diller: A new museum wing ... in a giant bubble - test

• Olafur Eliasson Playing with space and light (37) test
• Antony Gormley Sculpted space, within and without (36) test
• Elizabeth Diller A stealthy reimagining of urban public space (35) test
• Phnam Bagley Gourmet food for the final frontier (34) test
• Andrew Pontzen and Tom Whyntie The fundamentals of space-time Part 2 (33) test

Liz Diller: The Blur Building and other tech-empowered architecture - test

• Frank Gehry My days as a young rebel (39) test
• Thom Mayne How architecture can connect us (36) test
• Sarah Sze How we experience time and memory through art (35) test
• Anand Agarawala Rethink the desktop with BumpTop (31) test
• Norman Foster My green agenda for architecture (29) test

Liz Fosslien: How to embrace emotions at work - test

• Taken for Granted Brené Brown on What Vulnerability Isn't (42) test
• Jason Fried Why work doesn't happen at work (40) test
• WorkLife with Adam Grant The real reason you procrastinate (39) test
• Debbie Lovich 3 tips for leaders to get the future of work right (36) test
• TED Business Should we cry at work? (35) test

Liz Hajek: What rivers can tell us about the earth's history - test

• Andrés Ruzo The boiling river of the Amazon (34) test
• Aziza Chaouni How I brought a river, and my city, back to life (32) test
• Romulus Whitaker The real danger lurking in the water (28) test
• James Balog Time-lapse proof of extreme ice loss (27) test
• Rob Dunbar Discovering ancient climates in oceans and ice (26) test

Liz Kleinrock: How to teach kids to talk about taboo topics - test

• Afrika Afeni Mills 4 ways to have healthy conversations about race (48) test
• Daphne Koller What we're learning from online education (46) test
• Trish Millines Dziko How schools can nurture every student's genius (44) test
• Sydney Chaffee How teachers can help kids find their political voices (44) test
• Freeman Hrabowski 4 pillars of college success in science (40) test

Liz Ogbu: What if gentrification was about healing communities instead of displacing them? - test

• Amy Baxter How to hack your brain when you're in pain (39) test
• Karen D. Davis How does your brain respond to pain? (37) test
• Austin Eubanks What surviving the Columbine shooting taught me about pain (36) test
• Sheetal DeCaria The bias behind your undiagnosed chronic pain (36) test
• Giles Duley When a reporter becomes the story (35) test

Liza Donnelly: Drawing on humor for change - test

• Sheryl Sandberg So we leaned in ... now what? (38) test
• Rha Goddess and Deepa Purushothaman 4 ways to redefine power at work to include women of color (37) test
• Julia Gillard and Ngozi Okonjo-Iweala 6 essential lessons for women leaders (37) test
• Madeleine Albright On being a woman and a diplomat (36) test
• Kavita Ramdas Radical women, embracing tradition (35) test

Lizzie Velásquez: How do you define yourself? - test

• Gus Worland Is someone you love suffering in silence? Here's what to do (38) test
• Yvonne van Amerongen The "dementia village" that's redefining elder care (38) test
• Scott Dinsmore How to find work you love (37) test
• Ricardo Semler How to run a company with (almost) no rules (37) test
• Andrew Solomon Love, no matter what (37) test

Lizzo: The Black history of twerking -- and how it taught me self-love - test

• Vernā Myers How to overcome our biases? Walk boldly toward them (33) test
• Alicia Garza, Patrisse Cullors and Opal Tometi An interview with the founders of Black Lives Matter (31) test
• Jordan Dinwiddie 10 lessons I learned from being a nerd (31) test
• Anna Malaika Tubbs The critical role of Black mothers -- and how to support all moms (30) test
• Julieanna L. Richardson The mission to safeguard Black history in the US (29) test

Lloyd Pendleton: The Housing First approach to homelessness - test

• Becky Blanton The year I was homeless (37) test
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• Scott Dinsmore How to find work you love (28) test
• Malika Whitley How the arts help homeless youth heal and build (28) test
• Yang Lan The generation that's remaking China (27) test

Lonneke Gordijn: Nature, art and magical blocks of flying concrete - test

• Jonathan Harris The Web's secret stories (34) test
• Jane Goodall Every day you live, you impact the planet (33) test
• Tom Rivett-Carnac How to shift your mindset and choose your future (33) test
• Mihaly Csikszentmihalyi Flow, the secret to happiness (30) test
• Nancy Duarte The secret structure of great talks (30) test

Lord Nicholas Stern: The state of the climate — and what we might do about it - test

• Robert Muggah The biggest risks facing cities -- and some solutions (50) test
• Marvin Rees How is your city tackling the climate crisis? (46) test
• Dean Kamen To invent is to give (45) test
• Alessandra Orofino It’s our city. Let’s fix it (44) test
• Robert Muggah How to protect fast-growing cities from failing (44) test

Lorenzo García-Amaya: Why do we, like, hesitate when we, um, speak? - test

• Gareth Gaskell How do our brains process speech? (36) test
• John Koenig Beautiful new words to describe obscure emotions (34) test
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• Andreea S. Calude Does grammar matter? (31) test
• Erin McKean Go ahead, make up new words! (30) test

Loretta J. Ross: Don't call people out -- call them in - test

• John Lewis and Bryan Stevenson The fight for civil rights and freedom (46) test
• Scott Dinsmore How to find work you love (44) test
• John Biewen The lie that invented racism (41) test
• iO Tillett Wright Fifty shades of gay (39) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (39) test

Loretta Napoleoni: The intricate economics of terrorism - test

• Dilip Ratha The hidden force in global economics sending money home (38) test
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• Michael Norton How to buy happiness (36) test
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Lori Gottlieb: How changing your story can change your life - test

• Tyler Cowen Be suspicious of simple stories (62) test
• Chimamanda Ngozi Adichie The danger of a single story (49) test
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• George Monbiot The new political story that could change everything (44) test
• Giles Duley When a reporter becomes the story (43) test

Lorin Swint Matthews: The dust bunnies that built our planet - test

• Dennis Wildfogel What is the universe made of? (22) test
• Joy Lin If superpowers were real Invisibility (18) test
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Lorna Davis: A guide to collaborative leadership - test

• Ricardo Semler How to run a company with (almost) no rules (43) test
• Scott Dinsmore How to find work you love (41) test
• Seth Godin The tribes we lead (39) test
• Linus Torvalds The mind behind Linux (39) test
• Simon Sinek Why good leaders make you feel safe (38) test

Lorrie Faith Cranor: What’s wrong with your pa$$w0rd? - test

• John Wilbanks Let's pool our medical data (28) test
• Linus Torvalds The mind behind Linux (28) test
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• Scott Dinsmore How to find work you love (28) test
• Dan Ariely Our buggy moral code (27) test

Lou Serico: The genius of Mendeleev's periodic table - test

• Lilly Singh "A seat at the table" isn't the solution for gender equity (18) test
• Angela Belcher Using nature to grow batteries (16) test
• Dennis Wildfogel What is the universe made of? (15) test
• Marc Abrahams A science award that makes you laugh, then think (14) test
• Anna Post How to set the table (14) test

Louie Schwartzberg: Hidden miracles of the natural world - test

• Abha Dawesar Life in the "digital now" (32) test
• Andrew Zimmerman Jones Does time exist? (30) test
• Stephen Wilkes The passing of time, caught in a single photo (30) test
• Alexander Leitner Can time be wasted? (29) test
• Laura Vanderkam How to gain control of your free time (28) test

Louie Schwartzberg: Nature. Beauty. Gratitude. - test

• Cesar Kuriyama One second every day (43) test
• Drew Dudley Everyday leadership (35) test
• Louie Schwartzberg The hidden beauty of pollination (33) test
• Jeremy Gilley One day of peace (31) test
• Wendy De La Rosa 10 steps to boost your financial health -- that you can do in a day (31) test

Louie Schwartzberg: The hidden beauty of pollination - test

• Bruce Feiler The secret to mastering life's biggest transitions (34) test
• Louie Schwartzberg Nature. Beauty. Gratitude. (33) test
• Neil Pasricha The 3 A's of awesome (29) test
• Betül Kaçar We could kick-start life on another planet. Should we? (27) test
• Frans Lanting The story of life in photographs (27) test

Louise Fresco: We need to feed the whole world - test

• Tristram Stuart The global food waste scandal (47) test
• Josette Sheeran Ending hunger now (47) test
• Ndidi Okonkwo Nwuneli The future of the food ecosystem -- and the power of your plate (46) test
• Ellen Gustafson Obesity + hunger = 1 global food issue (42) test
• Carolyn Steel How food shapes our cities (42) test

Louise Leakey: A dig for humanity's origins - test

• Zeresenay Alemseged The search for humanity's roots (54) test
• Spencer Wells A family tree for humanity (46) test
• Juliet Brophy How a new species of ancestors is changing our theory of human evolution (42) test
• Peter Ward A theory of Earth's mass extinctions (33) test
• E.O. Wilson My wish Build the Encyclopedia of Life (32) test

Luca Turin: The science of scent - test

• Tristram Wyatt The smelly mystery of the human pheromone (36) test
• Rose Eveleth How do we smell? (33) test
• Jen Gunter How your sense of smell helps you savor flavor (31) test
• James Logan How we're using dogs to sniff out malaria (29) test
• James Logan Can dogs sniff out malaria? (28) test

Lucas C. Majure: Nature's fortress How cacti keep water in and predators out - test

• Anupam Mishra The ancient ingenuity of water harvesting (49) test
• David Sedlak 4 ways we can avoid a catastrophic drought (44) test
• Lana Mazahreh 3 thoughtful ways to conserve water (43) test
• Balsher Singh Sidhu Are we running out of clean water? (42) test
• Rob Harmon How to keep rivers and streams flowing (42) test

Lucas Husted: Game theory challenge Can you predict human behavior? - test

• Colin Camerer When you're making a deal, what's going on in your brain? (33) test
• Keith Payne The psychology of inequality and political division (31) test
• Seth Priebatsch The game layer on top of the world (28) test
• Brenda Romero Gaming for understanding (25) test
• Howard Rheingold The new power of collaboration (24) test

Lucas Husted: How to outsmart the Prisoner's Dilemma - test

• Eric Dishman Health care should be a team sport (16) test
• Timothy Ihrig What we can do to die well (15) test
• Justin Baldoni Why I'm done trying to be "man enough" (14) test
• Ben Gran Why nurses are key to medical innovation (14) test
• Wendy De La Rosa 10 steps to boost your financial health -- that you can do in a day (14) test

Lucas Joppa: How to fix the "bugs" in the net-zero code - test

• TED Countdown Is there a role for carbon credits in the transition to a fair, net-zero future? (57) test
• Stacy Kauk The billion-dollar pollution solution humanity needs right now (47) test
• Kristen Bell + Giant Ant Where does all the carbon we release go? (40) test
• Asmeret Asefaw Berhe A climate change solution that's right under our feet (39) test
• Ted Halstead A climate solution where all sides can win (39) test

Lucas Rizzotto: Why I built my own time machine - test

• Ricardo Semler How to run a company with (almost) no rules (43) test
• Amber Case We are all cyborgs now (43) test
• Sherry Turkle Connected, but alone? (42) test
• Tristan Harris How better tech could protect us from distraction (42) test
• Herman Narula The transformative power of video games (41) test

Lucia Carminati: How the Suez Canal changed the world - test

• Alex Gendler Demolition, disease, and death Building the Panama Canal (44) test
• Alex Gendler Blood, concrete, and dynamite Building the Hoover Dam (14) test
• Soraya Field Fiorio How did they build the Great Pyramid of Giza? (14) test
• Sarah Parcak Help discover ancient ruins -- before it's too late (13) test
• Sarah Parcak Archaeology from space (13) test

Lucianne Walkowicz: Finding planets around other stars - test

• Aomawa Shields How we'll find life on other planets (55) test
• Sara Seager The search for planets beyond our solar system (49) test
• Heidi Hammel and Nadia Drake The marvels and mysteries revealed by the James Webb Space Telescope (47) test
• Anjali Tripathi Why Earth may someday look like Mars (45) test
• Dimitar Sasselov How we found hundreds of potential Earth-like planets (45) test

Lucianne Walkowicz: Let's not use Mars as a backup planet - test

• Nathalie Cabrol How Mars might hold the secret to the origin of life (55) test
• Dimitar Sasselov How we found hundreds of potential Earth-like planets (50) test
• Dave Brain What a planet needs to sustain life (49) test
• Stephen Petranek Your kids might live on Mars. Here's how they'll survive (48) test
• Anjali Tripathi Why Earth may someday look like Mars (48) test

Lucianne Walkowicz: Light waves, visible and invisible - test

• Lieven Scheire How quantum mechanics explains global warming (67) test
• Colm Kelleher Is light a particle or a wave? (63) test
• Colm Kelleher What is color? (59) test
• Harald Haas Wireless data from every light bulb (59) test
• Kelsey Johnson The problem of light pollution -- and 5 ridiculously easy ways to fix it (56) test

Lucianne Walkowicz: Look up for a change - test

• Diane Knutson Why we need darkness (44) test
• Rogier van der Heide Why light needs darkness (42) test
• Kelsey Johnson The problem of light pollution -- and 5 ridiculously easy ways to fix it (41) test
• Lucianne Walkowicz Finding planets around other stars (41) test
• Phil Plait The secret to scientific discoveries? Making mistakes (39) test

Lucie Pinson: How to stop banks from investing in fossil fuels - test

• Al Gore What comes after An Inconvenient Truth? (37) test
• Chibeze Ezekiel A vision for sustainable energy in Africa (37) test
• Veronica Chau 3 ways your money can fight climate change (31) test
• Joe Lassiter We need nuclear power to solve climate change (30) test
• Al Gore This is the moment to take on the climate crisis (28) test

Lucien Engelen: Crowdsource your health - test

• Dave deBronkart Meet e-Patient Dave (32) test
• Mitchell Katz What the US health care system assumes about you (30) test
• Rebecca Onie What Americans agree on when it comes to health (29) test
• Leana Wen What your doctor won’t disclose (27) test
• Eric Dishman Health care should be a team sport (26) test

Lucy Clayton: The true power of a good outfit - test

• Richard Thompson Ford A tailored history of who wears what -- and why (36) test
• Adam Savage My love letter to cosplay (24) test
• Machine Dazzle How to unleash your inner maximalist through costume (21) test
• Gala Marija Vrbanic The new reality of fashion is digital (21) test
• Jodi-Ann Burey The myth of bringing your full, authentic self to work (20) test

Lucy Cooke: 3 bizarre (and delightful) ancient theories about bird migration - test

• Washington Wachira For the love of birds (41) test
• Gillian Gibb Why can't some birds fly? (28) test
• Peter McIndoe Birds aren't real? How a conspiracy takes flight (19) test
• Isabel Wilkerson The Great Migration and the power of a single decision (17) test
• Charles Anderson Dragonflies that fly across oceans (16) test

Lucy Cooke: No one can figure out how eels have sex - test

• Marah J. Hardt Are we interrupting the kinky sex lives of fish? (15) test
• Sylvia Earle My wish Protect our oceans (14) test
• Steve Simpson How ocean noise destroys marine ecosystems (14) test
• Paul Snelgrove A census of the ocean (13) test
• Alejandro Sánchez Alvarado To solve old problems, study new species (13) test

Lucy Cooke: Sloths! The strange life of the world's slowest mammal - test

• Kenny Coogan Why are sloths so slow? (58) test
• Carl Honoré In praise of slowness (17) test
• Jordan Wirfs-Brock The four things you need to know about the energy you use (16) test
• Theo Jansen My creations, a new form of life (16) test
• Bill Gates Innovating to zero! (15) test

Lucy Farey-Jones: A fascinating time capsule of human feelings toward AI - test

• Guy Hoffman Robots with "soul" (41) test
• Leila Takayama What's it like to be a robot? (41) test
• Rodney Brooks Robots will invade our lives (41) test
• Dennis Hong 7 new species of robot that jump, dance — and walk on water (41) test
• Ken Goldberg 4 lessons from robots about being human (40) test

Lucy Hone: 3 secrets of resilient people - test

• Scott Dinsmore How to find work you love (42) test
• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (41) test
• Ricardo Semler How to run a company with (almost) no rules (40) test
• Bill Burnett 5 steps to designing the life you want (40) test
• Robert Waldinger What makes a good life? Lessons from the longest study on happiness (39) test

Lucy Kalanithi: What makes life worth living in the face of death - test

• Eric Dishman Health care should be a team sport (37) test
• Mitchell Katz What the US health care system assumes about you (37) test
• Timothy Ihrig What we can do to die well (37) test
• Niels van Namen Why the hospital of the future will be your own home (36) test
• Dave deBronkart Meet e-Patient Dave (36) test

Lucy King: How bees can keep the peace between elephants and humans - test

• Alex Gendler Why elephants never forget (47) test
• Chase LaDue and Bruce A. Schulte The incredible, bendable, twistable, expandable elephant trunk (32) test
• Anand Varma The first 21 days of a bee's life (30) test
• Noah Wilson-Rich Every city needs healthy honey bees (29) test
• Marla Spivak Why bees are disappearing (28) test

Lucy Marcil: Why doctors are offering free tax prep in their waiting rooms - test

• Dilip Ratha The hidden force in global economics sending money home (33) test
• Geoffrey Canada Our failing schools. Enough is enough! (32) test
• Ernest Madu World-class health care (29) test
• Tammy Lally Let's get honest about our money problems (29) test
• Wajahat Ali The case for having kids (28) test

Lucy McRae: How can technology transform the human body? - test

• Antony Gormley Sculpted space, within and without (28) test
• Christina Agapakis What happens when biology becomes technology? (27) test
• Douglas Rushkoff How to be "Team Human" in the digital future (26) test
• Eve Ensler Suddenly, my body (26) test
• Margaret Mitchell How we can build AI to help humans, not hurt us (26) test

Ludwick Marishane: A bath without water - test

• Hector Ruiz The thinking behind 50x15 (27) test
• Jacqueline Novogratz Invest in Africa's own solutions (26) test
• Caroline Harper What if we eliminated one of the world's oldest diseases? (25) test
• Simon Sinek How great leaders inspire action (25) test
• Seth Godin How to get your ideas to spread (25) test

Luhan Yang: How to create a world where no one dies waiting for a transplant - test

• Uğur Şahin and Özlem Türeci Meet the scientist couple driving an mRNA vaccine revolution (27) test
• Ellen Jorgensen What you need to know about CRISPR (26) test
• Paul Knoepfler The ethical dilemma of designer babies (26) test
• Barbara Natterson-Horowitz What veterinarians know that physicians don't (25) test
• Anthony Atala Growing new organs (24) test

Luis H. Zayas: The psychological impact of child separation at the US-Mexico border - test

• Georgette Mulheir The tragedy of orphanages (47) test
• Helen Pearson Lessons from the longest study on human development (45) test
• Aala El-Khani What it's like to be a parent in a war zone (43) test
• Marian Wright Edelman Reflections from a lifetime fighting to end child poverty (42) test
• Claudia Miner A new way to get every child ready for kindergarten (41) test

Luis Zambrano: These salamanders snack on each other (but don't die) - test

• Michael Levin The electrical blueprints that orchestrate life (18) test
• Kayla Mandel Sheets You could have a secret twin (but not the way you think) (18) test
• Steve McCarroll How data is helping us unravel the mysteries of the brain (17) test
• Craig A. Kohn What are stem cells? (17) test
• Monica Menesini Why do our bodies age? (17) test

Luis von Ahn: Massive-scale online collaboration - test

• Archie Crowley Language around gender and identity evolves (and always has) (50) test
• Ricardo Semler How to run a company with (almost) no rules (47) test
• Scott Dinsmore How to find work you love (45) test
• Linus Torvalds The mind behind Linux (43) test
• Wael Ghonim Inside the Egyptian revolution (42) test

Luisa Neubauer: The fairy tales of the fossil fuel industry -- and a better climate story - test

• Tzeporah Berman The bad math of the fossil fuel industry (58) test
• TED Countdown How do we get the world off fossil fuels quickly and fairly? (56) test
• Myles Allen Fossil fuel companies know how to stop global warming. Why don't they? (48) test
• Jane Fonda How to transform your climate concern into action (45) test
• Tessa Khan How can we escape soaring energy bills? Stop using fossil fuels (45) test

Luisa Neubauer: Why you should be a climate activist - test

• Xiye Bastida If you adults won't save the world, we will (55) test
• Vanessa Nakate and Mary Robinson The global opportunity to accelerate Africa's sustainable future (54) test
• Britt Wray How climate change affects your mental health (54) test
• Al Gore, Gloria Kasang Bulus, Nana Firman, Ximena Loría and Tim Guinee Climate change is our reality. Here's how we're taking action (54) test
• Greta Thunberg The disarming case to act right now on climate change (53) test

Luka Seamus Wright and Imogen Ellen Napper: Which bag should you use? - test

• Melati and Isabel Wijsen Our campaign to ban plastic bags in Bali (35) test
• Sarah Dudas Microplastics are everywhere -- but we can do something about them (29) test
• Dianna Cohen Tough truths about plastic pollution (28) test
• TED Countdown Is there a role for carbon credits in the transition to a fair, net-zero future? (27) test
• Jean-François Bastin What if there were 1 trillion more trees? (26) test

Luka Seamus Wright: The mysterious origins of life on Earth - test

• Tara Djokic This ancient rock is changing our theory on the origin of life (53) test
• Betül Kaçar We could kick-start life on another planet. Should we? (48) test
• Sarah Rugheimer The search for microscopic aliens (43) test
• Christoph Adami Finding life we can't imagine (42) test
• Penelope Boston There might just be life on Mars (42) test

Luka Seamus Wright: The sharks that hunt in forests - test

• Simon Berrow How do you save a shark you know nothing about? (28) test
• Ocean Ramsey Why the world needs sharks (27) test
• Suzanne Simard How trees talk to each other (27) test
• Ashwin Naidu The link between fishing cats and mangrove forest conservation (27) test
• Colin Averill How to harness the ancient partnership between forests and fungi (26) test

Luka Seamus Wright: The wild sex lives of marine creatures - test

• Aaron Reedy Sex determination More complicated than you thought (48) test
• Marah J. Hardt Are we interrupting the kinky sex lives of fish? (47) test
• Carin Bondar The birds and the bees are just the beginning (43) test
• Juno Mac The laws that sex workers really want (34) test
• Kaz Sex education should start with consent (32) test

Luka Seamus Wright: These animals are also plants ... wait, what? - test

• Michael Middlebrooks The fantastically weird world of photosynthetic sea slugs (40) test
• Stefano Mancuso The roots of plant intelligence (31) test
• John C. Moore and Eric Berlow Dead stuff The secret ingredient in our food chain (26) test
• Zoe Pierrat Earth's mysterious red glow, explained (25) test
• Jonathan Drori Why we're storing billions of seeds (24) test

Lukas Rieppel: The most notorious scientific feud in history - test

• Juliet Brophy How a new species of ancestors is changing our theory of human evolution (11) test
• Martin Lockley The dinosaur detectives of real-life Jurassic parks (10) test
• Michael Benton Mass extinctions and the future of life on Earth (10) test
• Zeresenay Alemseged The search for humanity's roots (10) test
• Nizar Ibrahim How we unearthed the Spinosaurus (10) test

Luke Sital-Singh: "Afterneath" / "Killing Me" - test

• Vusi Mahlasela "Thula Mama" (34) test
• Keiichiro Hirano Love others to love yourself (34) test
• Mandy Len Catron A better way to talk about love (34) test
• Helen Fisher The brain in love (33) test
• Skye C. Cleary Why do we love? A philosophical inquiry (32) test

Luke Syson: How I learned to stop worrying and love "useless" art - test

• Arthur Ganson Moving sculpture (38) test
• Mathieu Lehanneur Science-inspired design (30) test
• Sarah Sze How we experience time and memory through art (29) test
• Isaac Mizrahi Fashion and creativity (28) test
• Ken Jennings Watson, Jeopardy and me, the obsolete know-it-all (28) test

Luma Mufleh: Don't feel sorry for refugees -- believe in them - test

• Melissa Fleming Let's help refugees thrive, not just survive (46) test
• Brian Sokol What photos don't tell you about the refugee experience (45) test
• David Miliband The refugee crisis is a test of our character (42) test
• Mariana Atencio What makes you special? (38) test
• Ricardo Semler How to run a company with (almost) no rules (38) test

Luvvie Ajayi Jones: Get comfortable with being uncomfortable - test

• Scott Dinsmore How to find work you love (39) test
• Julian Treasure How to speak so that people want to listen (37) test
• Johann Hari This could be why you're depressed or anxious (37) test
• Katherine Maher What Wikipedia teaches us about balancing truth and beliefs (36) test
• Ricardo Semler How to run a company with (almost) no rules (36) test

Luvvie Ajayi Jones: How to be a professional troublemaker - test

• Robert Waldinger The secret to a happy life -- lessons from 8 decades of research (35) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (34) test
• Scott Dinsmore How to find work you love (32) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (31) test
• Ricardo Semler How to run a company with (almost) no rules (31) test

Luvvie Ajayi: Get comfortable with being uncomfortable - test

• Scott Dinsmore How to find work you love (39) test
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