TED Recommendations

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Rabbi Lord Jonathan Sacks: How we can face the future without fear, together - test

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Rachel Armstrong: Architecture that repairs itself? - test

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Rachel Kleinfeld: A path to security for the world's deadliest countries - test

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Raghava KK: Shake up your story - test

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Raghava KK: What's your 200-year plan? - test

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Rahaf Harfoush: How burnout makes us less creative - test

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Rahul Mehrotra: The architectural wonder of impermanent cities - test

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Rahwa Ghirmatzion and Zelalem Adefris: Community-powered solutions to the climate crisis - test

• Ozawa Bineshi Albert Climate action needs new frontline leadership (40) test
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Rainer Strack: The workforce crisis of 2030 -- and how to start solving it now - test

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Rainn Wilson: Ideas worth dating - test

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Rainn Wilson: Kung Fu, Star Trek and the many paths to spirituality - test

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Raj Jayadev: Community-powered criminal justice reform - test

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Raj Panjabi: Community health heroes - test

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Raj Panjabi: No one should die because they live too far from a doctor - test

• Raj Panjabi Community health heroes (72) test
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Rajesh Rao: A Rosetta Stone for a lost language - test

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Rajiv Maheswaran: The math behind basketball's wildest moves - test

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Ralitsa Petrova: Could your brain repair itself? - test

• Jocelyne Bloch The brain may be able to repair itself -- with help (61) test
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• Craig A. Kohn What are stem cells? (52) test
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Ralph Chami: What a living whale is worth -- and why the economy should protect nature - test

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Ralph Langner: Cracking Stuxnet, a 21st-century cyber weapon - test

• John Underkoffler Pointing to the future of UI (23) test
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Ralph Nader: What it takes to create social change against all odds - test

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Ram Neta: How do you know whom to trust? - test

• Rachel Botsman We've stopped trusting institutions and started trusting strangers (27) test
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Ramanan Laxminarayan: The coming crisis in antibiotics - test

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Ramesh Raskar: Imaging at a trillion frames per second - test

• David Lindell A camera that can see around corners (55) test
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Ramez Naam: A faster way to get to a clean energy future - test

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Ramon Glazov: Ancient Rome's most notorious doctor - test

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Ramona Pierson: An unexpected place of healing - test

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Ramsey Musallam: 3 rules to spark learning - test

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Ramón Méndez Galain: This country runs on 98 percent renewable energy - test

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Rana Abdelhamid: 3 lessons on starting a movement from a self-defense trailblazer - test

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Rana el Kaliouby: This app knows how you feel -- from the look on your face - test

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Randall Hayes: At what moment are you dead? - test

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Randall Munroe: Comics that ask "what if?" - test

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Raphael Arar: How we can teach computers to make sense of our emotions - test

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Rasmus Ankersen: How to outthink your competition -- with a lesson from sports - test

• John Wooden The difference between winning and succeeding (23) test
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Raspyni Brothers: Juggle and jest - test

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Raul Midon: "Peace on Earth" - test

• Dr. Matt J. Carlson Free falling in outer space (38) test
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Raul Midon: "Tembererana" - test

• Hrishikesh Hirway What you discover when you really listen (21) test
• David Holt The joyful tradition of mountain music (21) test
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Ravin Agrawal: 10 young Indian artists to watch - test

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Ray Anderson: The business logic of sustainability - test

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Ray Dalio: How to build a company where the best ideas win - test

• Ricardo Semler How to run a company with (almost) no rules (45) test
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Ray Dalio: What coronavirus means for the global economy - test

• Kara Logan Berlin 3 ways to be a more effective fundraiser (50) test
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Ray Kurzweil: A university for the coming singularity - test

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Ray Kurzweil: Get ready for hybrid thinking - test

• Henry Markram A brain in a supercomputer (38) test
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Ray Kurzweil: The accelerating power of technology - test

• Ray Kurzweil A university for the coming singularity (60) test
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• Chris Anderson Technology's long tail (34) test

Ray Laurence: A glimpse of teenage life in ancient Rome - test

• Ray Laurence Four sisters in Ancient Rome (24) test
• Jon Lowenstein Family, hope and resilience on the migrant trail (23) test
• Bruce Feiler Agile programming -- for your family (23) test
• Elizabeth Zion The need for family reunification -- to make families whole again (22) test
• Diana Adams Why US laws must expand beyond the nuclear family (21) test

Ray Laurence: Four sisters in Ancient Rome - test

• Ray Laurence A glimpse of teenage life in ancient Rome (24) test
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Ray Zahab: My trek to the South Pole - test

• Robert Swan Let's save the last pristine continent (40) test
• Ben Saunders Why did I ski to the North Pole? (37) test
• Ben Saunders To the South Pole and back — the hardest 105 days of my life (34) test
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Rayma Suprani: Dictators hate political cartoons -- so I keep drawing them - test

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Raymond Adkins: How do airplanes actually fly? - test

• Emily Parsons-Lord Art made of the air we breathe (47) test
• Arunabha Ghosh 5 steps for clean air in India (35) test
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Raymond Tang: Be humble -- and other lessons from the philosophy of water - test

• Kelsey Leonard Why lakes and rivers should have the same rights as humans (35) test
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Raymond Wang: How germs travel on planes -- and how we can stop them - test

• Michael Specter The danger of science denial (27) test
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• Bill Gates The next outbreak? We're not ready (27) test
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Read Montague: What we're learning from 5,000 brains - test

• Scott Dinsmore How to find work you love (47) test
• Linus Torvalds The mind behind Linux (47) test
• Tanya Menon The secret to great opportunities? The person you haven't met yet (45) test
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Rebeca Hwang: El valor de nuestra diversidad interna - test

• Rebeca Hwang The power of diversity within yourself (67) test
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Rebeca Hwang: The power of diversity within yourself - test

• Rebeca Hwang El valor de nuestra diversidad interna (67) test
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• Mariana Atencio What makes you special? (30) test
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• Danny Dorling Maps that show us who we are (not just where we are) (56) test
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• Luisa Neubauer Why you should be a climate activist (34) test
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• Dan Jørgensen How wind energy could power Earth ... 18 times over (47) test
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• Ordinary Things Who owns the internet of the future? (43) test
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Rebecca MacKinnon: We can fight terror without sacrificing our rights - test

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• Matthias Müllenbeck What if we paid doctors to keep people healthy? (56) test
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Rebecca Onie: What if our health care system kept us healthy? - test

• Rebecca Onie What Americans agree on when it comes to health (47) test
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• Molly Crockett Beware neuro-bunk (44) test
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• TED Countdown How do we get the world off fossil fuels quickly and fairly? (57) test
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• Renzo Piano The genius behind some of the world's most famous buildings (35) test
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Refik Anadol: Art in the age of machine intelligence - test

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Refik Anadol: How AI art could enhance humanity's collective memory - test

• Refik Anadol Art in the age of machine intelligence (31) test
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• Adam Alter Why our screens make us less happy (30) test
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• Elizabeth Streb My quest to defy gravity and fly (32) test
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• David Lee Why jobs of the future won't feel like work (33) test
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• Vernā Myers How to overcome our biases? Walk boldly toward them (24) test
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• Sheena Iyengar The art of choosing (49) test
• Sheena Iyengar How to make choosing easier (48) test
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• Ruth Chang How to make hard choices (35) test

Renata di Tullio: Por qué deberíamos comer más bichos - test

• Marcel Dicke Why not eat insects? (63) test
• Marlene Zuk What we learn from insects' sex lives (43) test
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Rene Laufer: How far would you have to go to escape gravity? - test

• Fabio Pacucci Could the Earth be swallowed by a black hole? (29) test
• Fabio Pacucci Yes, scientists are actually building an elevator to space (28) test
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• Dr. Matt J. Carlson Free falling in outer space (25) test
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• Serena Williams and Gayle King On tennis, love and motherhood (29) test
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Reniqua Allen: The story we tell about millennials -- and who we leave out - test

• Vernā Myers How to overcome our biases? Walk boldly toward them (42) test
• Sebastian Guo Why we need to pay attention to Chinese millennials (38) test
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• Leah Georges How generational stereotypes hold us back at work (35) test
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• Sandersan Onie How targeted ads might just save your life (25) test
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• Dina Katabi A new way to monitor vital signs (that can see through walls) (23) test
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Renzo Piano: The genius behind some of the world's most famous buildings - test

• Theaster Gates How to revive a neighborhood with imagination, beauty and art (43) test
• Marc Kushner Why the buildings of the future will be shaped by ... you (43) test
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Renzo Vitale: What should electric cars sound like? - test

• Julian Treasure The 4 ways sound affects us (66) test
• Tasos Frantzolas Everything you hear on film is a lie (58) test
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• Katerina Kaouri The sonic boom problem (47) test

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• Risa Wechsler The search for dark matter -- and what we've found so far (63) test
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Renée Lertzman: How to turn climate anxiety into action - test

• Elizabeth Gilbert It's OK to feel overwhelmed. Here's what to do next (34) test
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• Rha Goddess and Deepa Purushothaman 4 ways to redefine power at work to include women of color (45) test
• Sheryl Sandberg So we leaned in ... now what? (43) test
• Cecile Richards The political progress women have made -- and what's next (43) test
• Sheryl Sandberg Why we have too few women leaders (43) test
• Jessica Shortall The US needs paid family leave -- for the sake of its future (43) test

Reshma Saujani: Teach girls bravery, not perfection - test

• Shad Begum How women in Pakistan are creating political change (40) test
• Monique W. Morris Why black girls are targeted for punishment at school -- and how to change that (39) test
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• Moreangels Mbizah How community-led conservation can save wildlife (53) test
• Scott Dinsmore How to find work you love (41) test
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Reuben Jonathan Miller: How radical hospitality can change the lives of the formerly incarcerated - test

• Scott Dinsmore How to find work you love (50) test
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• Ricardo Semler How to run a company with (almost) no rules (43) test
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• Tanya Khovanova Can you solve the Leonardo da Vinci riddle? (25) test
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Rha Goddess and Deepa Purushothaman: 4 ways to redefine power at work to include women of color - test

• Deepa Purushothaman The workplace, redefined by women of color (63) test
• Cecile Richards The political progress women have made -- and what's next (55) test
• Sheryl Sandberg Why we have too few women leaders (54) test
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Rhiannon Giddens: Songs that bring history to life - test

• Emily Parsons-Lord Art made of the air we breathe (34) test
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Ric Elias: 3 things I learned while my plane crashed - test

• Bruce Feiler The secret to mastering life's biggest transitions (40) test
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Ricardo Coler: Allá donde las mujeres mandan - test

• Sheryl Sandberg So we leaned in ... now what? (56) test
• Shad Begum How women in Pakistan are creating political change (51) test
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Ricardo Semler: How to run a company with (almost) no rules - test

• Scott Dinsmore How to find work you love (63) test
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Riccardo Sabatini: How to read the genome and build a human being - test

• Doug Roble Digital humans that look just like us (30) test
• Barry Schuler Genomics 101 (30) test
• Jun Wang How digital DNA could help you make better health choices (30) test
• Juan Enriquez The life code that will reshape the future (30) test
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Rich Benjamin: My road trip through the whitest towns in America - test

• John Biewen The lie that invented racism (33) test
• Heather C. McGhee Racism has a cost for everyone (26) test
• Ibram X. Kendi The difference between being "not racist" and antiracist (26) test
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• Ruby Sales How we can start to heal the pain of racial division (25) test

Richard Baraniuk: The birth of the open-source learning revolution - test

• Linus Torvalds The mind behind Linux (39) test
• Charles Leadbeater The era of open innovation (36) test
• Jehane Noujaim My wish A global day of film (36) test
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Richard Branson: Life at 30,000 feet - test

• Scott Dinsmore How to find work you love (50) test
• Ricardo Semler How to run a company with (almost) no rules (50) test
• Larry Page Where's Google going next? (48) test
• Linus Torvalds The mind behind Linux (46) test
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Richard Browning: How I built a jet suit - test

• Caleb Chung Playtime with Pleo, your robotic dinosaur friend (29) test
• David Carson Design and discovery (26) test
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• Kary Mullis Play! Experiment! Discover! (25) test

Richard Browning: How do jetpacks work? And why don't we all have them? - test

• Emily Parsons-Lord Art made of the air we breathe (29) test
• Shannon Odell This is what happens when you hit the gas (28) test
• Ryah Whalen 3 ways to make flying more climate-friendly (28) test
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• Raymond Adkins How do airplanes actually fly? (27) test

Richard Coffin: How do investors choose stocks? - test

• Oliver Elfenbaum How does the stock market work? (64) test
• Eleni Gabre-Madhin A commodities exchange for Ethiopia (31) test
• Chris McKnett The investment logic for sustainability (28) test
• Josh Luber Why sneakers are a great investment (27) test
• Michael Sandel Why we shouldn't trust markets with our civic life (27) test

Richard Coffin: What causes an economic recession? - test

• Jonathan Smith How do governments create money out of thin air? (28) test
• Doug Levinson What gives a dollar bill its value? (26) test
• Nick Hanauer The dirty secret of capitalism -- and a new way forward (24) test
• Jonathan Smith Do tax cuts stimulate the economy? (23) test
• Stephanie Kelton The big myth of government deficits (23) test

Richard Dawkins: Militant atheism - test

• Karen Armstrong My wish The Charter for Compassion (31) test
• Sharon Brous It's time to reclaim religion (28) test
• Kwame Anthony Appiah Is religion good or bad? (This is a trick question) (28) test
• Tom Honey Why would God create a tsunami? (27) test
• Karen Armstrong Let's revive the Golden Rule (25) test

Richard Dawkins: Why the universe seems so strange - test

• Kate Messner How to build a fictional world (45) test
• Hans Rosling Global population growth, box by box (39) test
• Jennifer D. Sciubba The truth about human population decline (38) test
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• Hans Rosling Let my dataset change your mindset (36) test

Richard E. Cytowic: What color is Tuesday? Exploring synesthesia - test

• Neil Harbisson I listen to color (20) test
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• James Geary Metaphorically speaking (19) test
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• Anil Seth How your brain invents your "self" (18) test

Richard E. Cytowic: What percentage of your brain do you use? - test

• Suzana Herculano-Houzel What is so special about the human brain? (63) test
• Mia Nacamulli How the food you eat affects your brain (46) test
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• Heribert Watzke The brain in your gut (42) test
• Ed Boyden A new way to study the brain's invisible secrets (42) test

Richard J. Berry: A practical way to help the homeless find work and safety - test

• Rahul Mehrotra The architectural wonder of impermanent cities (48) test
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Richard J. Wood: How do carbohydrates impact your health? - test

• Brooke Bennett Why the price of insulin is a danger to diabetics (44) test
• Robert Lustig Sugar Hiding in plain sight (39) test
• Nicole Avena How sugar affects the brain (34) test
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Richard Ledgett: The NSA responds to Edward Snowden's TED Talk - test

• Edward Snowden Here's how we take back the Internet (56) test
• Larry Page Where's Google going next? (42) test
• Glenn Greenwald Why privacy matters (42) test
• Stanley McChrystal The military case for sharing knowledge (39) test
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Richard Preston: The mysterious lives of giant trees - test

• Rachel Sussman The world's oldest living things (37) test
• Camille Defrenne and Suzanne Simard The secret language of trees (34) test
• Ersin Han Ersin What's it like to be a giant sequoia tree? (32) test
• Shubhendu Sharma How to grow a forest in your backyard (29) test
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Richard Pyle: A dive into the reef's Twilight Zone - test

• Paul Snelgrove A census of the ocean (31) test
• Nancy Rabalais The "dead zone" of the Gulf of Mexico (30) test
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• Emily Parsons-Lord Art made of the air we breathe (28) test
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Richard Reeves: How to solve the education crisis for boys and men - test

• Ali Carr-Chellman Gaming to re-engage boys in learning (58) test
• Hanna Rosin New data on the rise of women (43) test
• Chimamanda Ngozi Adichie We should all be feminists (40) test
• Jackson Katz Violence against women -- it's a men's issue (39) test
• Jimmie Briggs 3 things men can do to promote gender equity (36) test

Richard Resnick: Welcome to the genomic revolution - test

• Barry Schuler Genomics 101 (39) test
• Jun Wang How digital DNA could help you make better health choices (33) test
• Keolu Fox Why genetic research must be more diverse (30) test
• Craig Venter Sampling the ocean's DNA (30) test
• Craig Venter Watch me unveil "synthetic life" (30) test

Richard Sears: Planning for the end of oil - test

• Juan Enriquez Using biology to rethink the energy challenge (48) test
• Lisa Margonelli The political chemistry of oil (46) test
• Amory Lovins Winning the oil endgame (45) test
• Jordan Wirfs-Brock The four things you need to know about the energy you use (43) test
• Amory Lovins A 40-year plan for energy (42) test

Richard Seymour: How beauty feels - test

• Anjan Chatterjee How your brain decides what is beautiful (37) test
• Susan Cain Why bittersweet emotions underscore life's beauty (34) test
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• Gus Worland Is someone you love suffering in silence? Here's what to do (31) test
• Serena Williams and Gayle King On tennis, love and motherhood (30) test

Richard St. John: 8 secrets of success - test

• Richard St. John Success is a continuous journey (31) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (29) test
• Barry Schwartz What role does luck play in your life? (28) test
• Ricardo Semler How to run a company with (almost) no rules (25) test
• Geoffrey Canada Our failing schools. Enough is enough! (25) test

Richard St. John: Success is a continuous journey - test

• Richard St. John 8 secrets of success (31) test
• Albert-László Barabási The real relationship between your age and your chance of success (29) test
• Laura Gassner Otting Why doesn't success bring happiness? (28) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (23) test
• Alain de Botton A kinder, gentler philosophy of success (22) test

Richard Thompson Ford: A tailored history of who wears what -- and why - test

• Linus Torvalds The mind behind Linux (39) test
• Scott Dinsmore How to find work you love (36) test
• Lucy Clayton The true power of a good outfit (36) test
• John Biewen The lie that invented racism (36) test
• Tanya Menon The secret to great opportunities? The person you haven't met yet (35) test

Richard Turere: My invention that made peace with lions - test

• Beverly + Dereck Joubert Life lessons from big cats (30) test
• Lisa Winer Can you solve the river crossing riddle? (29) test
• Resson Kantai Duff Why Africa needs community-led conservation (28) test
• Claire Simeone The lovable (and lethal) sea lion (28) test
• Moreangels Mbizah How community-led conservation can save wildlife (26) test

Richard Weller: Could the sun be good for your heart? - test

• Jen Gunter 5 skin health myths to stop believing now (37) test
• Angela Koine Flynn The science of skin color (35) test
• Jenna C. Lester Why skin disease is often misdiagnosed in darker skin tones (33) test
• Nina Jablonski Skin color is an illusion (33) test
• Krishna Sudhir What happens during a heart attack? (32) test

Richard Wilkinson: How economic inequality harms societies - test

• Richard Wilkinson The link between inequality and anxiety (58) test
• Harald Eia Where in the world is it easiest to get rich? (40) test
• Hans Rosling The best stats you've ever seen (39) test
• Fallon Goodman Why you feel anxious socializing (and what to do about it) (36) test
• Hans Rosling Let my dataset change your mindset (36) test

Richard Wilkinson: The link between inequality and anxiety - test

• Richard Wilkinson How economic inequality harms societies (58) test
• Fallon Goodman Why you feel anxious socializing (and what to do about it) (52) test
• Tanya Menon The secret to great opportunities? The person you haven't met yet (42) test
• Naomi Shimada Tips for reclaiming your peace of mind online (38) test
• Robert Waldinger The secret to a happy life -- lessons from 8 decades of research (37) test

Riché D. Richardson: The hidden life of Rosa Parks - test

• David Ikard The real story of Rosa Parks -- and why we need to confront myths about Black history (35) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (30) test
• Yoruba Richen What the gay rights movement learned from the civil rights movement (26) test
• Heather C. McGhee Racism has a cost for everyone (24) test
• Deeyah Khan What we don't know about Europe's Muslim kids (23) test

Rick Doblin: The future of psychedelic-assisted psychotherapy - test

• Frederick Streeter Barrett The neuroscience of psychedelic drugs, music and nostalgia (27) test
• Sebastian Junger Our lonely society makes it hard to come home from war (25) test
• Johann Hari This could be why you're depressed or anxious (25) test
• Olga Kitaina How to alter the perception of mental health care in Russia (24) test
• Scott Dinsmore How to find work you love (23) test

Rick Falkvinge: I am a pirate - test

• Scott Dinsmore How to find work you love (48) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (46) test
• Linus Torvalds The mind behind Linux (45) test
• Jason Fried Why work doesn't happen at work (44) test
• Anjali Sud and Stephanie Mehta How great leaders take on uncertainty (42) test

Rick Guidotti: From stigma to supermodel - test

• Stephen Ritz A teacher growing green in the South Bronx (41) test
• Geoffrey Canada Our failing schools. Enough is enough! (37) test
• Ricardo Semler How to run a company with (almost) no rules (37) test
• Sebastián Bortnik The conversation we're not having about digital child abuse (34) test
• Rita Pierson Every kid needs a champion (34) test

Rick Smolan: The story of a girl - test

• Luma Mufleh Don't feel sorry for refugees -- believe in them (31) test
• Ricardo Semler How to run a company with (almost) no rules (31) test
• Rebeca Hwang El valor de nuestra diversidad interna (30) test
• Geoffrey Canada Our failing schools. Enough is enough! (30) test
• Nicholas Negroponte One Laptop per Child, two years on (30) test

Rick Warren: A life of purpose - test

• Ricardo Semler How to run a company with (almost) no rules (38) test
• Billy Graham On technology and faith (36) test
• Emily Esfahani Smith There's more to life than being happy (36) test
• Kate Bowler "Everything happens for a reason" -- and other lies I've loved (35) test
• Tom Honey Why would God create a tsunami? (35) test

Riitta Ikonen and Karoline Hjorth: Nature, folklore and serendipitous photo collaborations - test

• Golan Levin Art that looks back at you (27) test
• JR My wish Use art to turn the world inside out (25) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (24) test
• Pico Iyer The art of stillness (24) test
• JR Why art is a tool for hope (24) test

Riley Moynes: How to squeeze all the juice out of retirement - test

• Elizabeth White An honest look at the personal finance crisis (22) test
• Andrew Solomon Depression, the secret we share (21) test
• Serena Williams and Gayle King On tennis, love and motherhood (21) test
• Johann Hari This could be why you're depressed or anxious (21) test
• Nicholas Negroponte One Laptop per Child, two years on (20) test

Risa Wechsler: The search for dark matter -- and what we've found so far - test

• Chanda Prescod-Weinstein The search for the invisible matter that shapes the universe (73) test
• Patricia Burchat Shedding light on dark matter (70) test
• Renée Hlozek The death of the universe (63) test
• George Smoot The design of the universe (60) test
• James Gillies Dark matter The matter we can't see (58) test

Rishi Manchanda: What makes us get sick? Look upstream - test

• Karen DeSalvo How tech companies can help combat the pandemic and reshape public health (44) test
• Raj Panjabi Community health heroes (41) test
• Margaret Bourdeaux Why civilians suffer more once a war is over (40) test
• Rebecca Onie What if our health care system kept us healthy? (40) test
• Rebecca Onie What Americans agree on when it comes to health (40) test

Rita Pierson: Every kid needs a champion - test

• Cameron Herold Let's raise kids to be entrepreneurs (42) test
• Stephen Ritz A teacher growing green in the South Bronx (41) test
• Geoffrey Canada Our failing schools. Enough is enough! (41) test
• Dorsa Amir How the Industrial Revolution changed childhood (40) test
• Tameka Montgomery 5 parenting tips for raising resilient, self-reliant kids (39) test

Rives: A mockingbird remix of TED2006 - test

• Justin Baldoni Why I'm done trying to be "man enough" (23) test
• Tony Porter A call to men (21) test
• Dan Barasch A park underneath the hustle and bustle of New York City (20) test
• Liam Young Planet City -- a sci-fi vision of an astonishing regenerative future (20) test
• Bill Strickland Rebuilding a neighborhood with beauty, dignity, hope (19) test

Rives: A story of mixed emoticons - test

• Eve Ensler Embrace your inner girl (19) test
• Lee Thomas How I help people understand vitiligo (18) test
• Itay Talgam Lead like the great conductors (17) test
• Woody Norris Hypersonic sound and other inventions (16) test
• Katlego Kolanyane-Kesupile How I'm bringing queer pride to my rural village (16) test

Rives: If I controlled the Internet - test

• Danny Hillis The Internet could crash. We need a Plan B (33) test
• Ordinary Things Who owns the internet of the future? (28) test
• Tamas Kocsis The case for a decentralized internet (28) test
• Kayvon Tehranian How NFTs are building the internet of the future (25) test
• Priscilla Chomba-Kinywa Why a free and fair internet is more vital than ever (24) test

Rives: Reinventing the encyclopedia game - test

• Oliver Jeffers An ode to living on Earth (30) test
• Dr. Matt J. Carlson Free falling in outer space (27) test
• Peter Ward A theory of Earth's mass extinctions (25) test
• Dimitar Sasselov How we found hundreds of potential Earth-like planets (25) test
• Ron Shaneyfelt Is space trying to kill us? (24) test

Rives: The 4 a.m. mystery - test

• Rives The Museum of Four in the Morning (40) test
• Cesar Kuriyama One second every day (27) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (24) test
• Stephen Wilkes The passing of time, caught in a single photo (24) test
• Nagin Cox What time is it on Mars? (23) test

Rives: The Museum of Four in the Morning - test

• Rives The 4 a.m. mystery (40) test
• Adam Sadowsky How to engineer a viral music video (32) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (31) test
• Charlie Todd The shared experience of absurdity (27) test
• OK Go How to find a wonderful idea (27) test

Rob Cooke: The cost of work stress -- and how to reduce it - test

• Kelly McGonigal How to make stress your friend (58) test
• Madhumita Murgia How stress affects your brain (40) test
• Sharon Horesh Bergquist How stress affects your body (40) test
• Rebecca Brachman A new class of drug that could prevent depression and PTSD (38) test
• Elizabeth Cox The surprising link between stress and memory (36) test

Rob Cross: How to be a team player -- without burning out - test

• Jason Fried Why work doesn't happen at work (44) test
• Debbie Lovich 3 tips for leaders to get the future of work right (41) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (41) test
• Juliet Schor The case for a 4-day work week (40) test
• Guy Winch How to turn off work thoughts during your free time (39) test

Rob Dunbar: Discovering ancient climates in oceans and ice - test

• Laura Robinson The secrets I find on the mysterious ocean floor (53) test
• Sylvia Earle My wish Protect our oceans (44) test
• Angelicque White What ocean microbes reveal about the changing climate (44) test
• Triona McGrath How pollution is changing the ocean's chemistry (43) test
• James Balog Time-lapse proof of extreme ice loss (42) test

Rob Forbes: Ways of seeing - test

• Paola Antonelli Treat design as art (50) test
• Margaret Gould Stewart How giant websites design for you (and a billion others, too) (43) test
• John Cary How architecture can create dignity for all (43) test
• David Carson Design and discovery (41) test
• John Maeda My journey in design (39) test

Rob Harmon: How to keep rivers and streams flowing - test

• Lana Mazahreh 3 thoughtful ways to conserve water (75) test
• David Sedlak 4 ways we can avoid a catastrophic drought (74) test
• Kelsey Leonard Why lakes and rivers should have the same rights as humans (72) test
• Balsher Singh Sidhu Are we running out of clean water? (70) test
• Anupam Mishra The ancient ingenuity of water harvesting (69) test

Rob Hopkins: Transition to a world without oil - test

• Emily Grubert What happens to gas stations when the world goes electric? (41) test
• Richard Sears Planning for the end of oil (41) test
• Bill Gates Innovating to zero! (40) test
• Seth Godin The tribes we lead (40) test
• David Lang Let's protect the oceans like national parks (39) test

Rob Knight: How our microbes make us who we are - test

• Jonathan Eisen Meet your microbes (63) test
• Jessica Green and Karen Guillemin You are your microbes (48) test
• Steven Allison Earth's original inhabitants -- and their role in combating climate change (42) test
• Henna-Maria Uusitupa How the gut microbes you're born with affect your lifelong health (38) test
• Dan Knights How we study the microbes living in your gut (38) test

Rob Legato: The art of creating awe - test

• Paul Bennett Design is in the details (28) test
• Arthur Ganson Moving sculpture (28) test
• Sergey Brin + Larry Page The genesis of Google (26) test
• David Carson Design and discovery (26) test
• Elizabeth Gilbert Your elusive creative genius (26) test

Rob Reid: How synthetic biology could wipe out humanity -- and how we can stop it - test

• Scott Dinsmore How to find work you love (43) test
• Michael Specter The danger of science denial (41) test
• Ricardo Semler How to run a company with (almost) no rules (40) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (39) test
• Wael Ghonim Inside the Egyptian revolution (38) test

Rob Reid: The $8 billion iPod - test

• Clay Shirky Why SOPA is a bad idea (23) test
• Lawrence Lessig Laws that choke creativity (23) test
• Johanna Blakley Lessons from fashion's free culture (22) test
• Robert Neuwirth The power of the informal economy (21) test
• Reed Hastings How Netflix changed entertainment -- and where it's headed (21) test

Rob Ulrich: How do oysters make pearls? - test

• Angela Belcher Using nature to grow batteries (18) test
• Triona McGrath How pollution is changing the ocean's chemistry (17) test
• Congrui Jin What if cracks in concrete could fix themselves? (16) test
• Eleanor Nelsen How to unboil an egg (16) test
• Floyd E. Romesberg The radical possibilities of man-made DNA (16) test

Robb Willer: How to have better political conversations - test

• Jonathan Haidt The moral roots of liberals and conservatives (40) test
• Arthur Brooks A conservative's plea Let's work together (25) test
• Jonathan Haidt Can a divided America heal? (24) test
• Rebecca L. Walker How do we determine the value of a life? (24) test
• Dannagal G. Young The psychological traits that shape your political beliefs (23) test

Robert A. Belle: The emotions behind your money habits - test

• Estelle Gibson The true cost of financial dependence (29) test
• Curtis "Wall Street" Carroll How I learned to read -- and trade stocks -- in prison (27) test
• Tammy Lally Let's get honest about our money problems (26) test
• Wendy De La Rosa Can't stick to a budget? Try these tweaks instead (25) test
• Jessica Jackley Poverty, money -- and love (24) test

Robert Ballard: The astonishing hidden world of the deep ocean - test

• David Gallo Deep ocean mysteries and wonders (43) test
• Sylvia Earle My wish Protect our oceans (42) test
• David Gallo Life in the deep oceans (38) test
• John Delaney Wiring an interactive ocean (37) test
• Tara Djokic This ancient rock is changing our theory on the origin of life (34) test

Robert Chang: The dark history of the Chinese Exclusion Act - test

• Michael Anti Behind the Great Firewall of China (42) test
• Jennifer 8. Lee The hunt for General Tso (41) test
• Sebastian Guo Why we need to pay attention to Chinese millennials (32) test
• Huang Hung How American and Chinese values shaped the coronavirus response (31) test
• Paul A. Kramer Our immigration conversation is broken -- here's how to have a better one (28) test

Robert Fischell: My wish Three unusual medical inventions - test

• Akash Manoj A life-saving device that detects silent heart attacks (49) test
• Krishna Sudhir What happens during a heart attack? (45) test
• Chuck Murry Can we regenerate heart muscle with stem cells? (38) test
• Sandeep Jauhar How your emotions change the shape of your heart (37) test
• Tom Oxley A brain implant that turns your thoughts into text (31) test

Robert Frost: "The Road Not Taken" - test

• Kaustav Dey How fashion helps us express who we are -- and what we stand for (15) test
• Michael Green Why we should build wooden skyscrapers (13) test
• Julieanna L. Richardson The mission to safeguard Black history in the US (12) test
• Ryan Pfluger The therapeutic value of photography (12) test
• Mindy Scheier How adaptive clothing empowers people with disabilities (11) test

Robert Full: Learning from the gecko's tail - test

• Robert Full Robots inspired by cockroach ingenuity (34) test
• Peter Donnelly How juries are fooled by statistics (32) test
• Robert Full The sticky wonder of gecko feet (29) test
• Dennis Hong 7 new species of robot that jump, dance — and walk on water (22) test
• Dennis Hong My seven species of robot -- and how we created them (22) test

Robert Full: Robots inspired by cockroach ingenuity - test

• Robert Full The sticky wonder of gecko feet (45) test
• Robert Full Learning from the gecko's tail (34) test
• Robert Full The secrets of nature's grossest creatures, channeled into robots (34) test
• Sarah Bergbreiter Why I make robots the size of a grain of rice (33) test
• Dennis Hong My seven species of robot -- and how we created them (32) test

Robert Full: The secrets of nature's grossest creatures, channeled into robots - test

• Robert Full Robots inspired by cockroach ingenuity (34) test
• Robert Full The sticky wonder of gecko feet (27) test
• Aimee Mullins My 12 pairs of legs (23) test
• Dennis Hong 7 new species of robot that jump, dance — and walk on water (21) test
• Marc Raibert Meet Spot, the robot dog that can run, hop and open doors (21) test

Robert Full: The sticky wonder of gecko feet - test

• Robert Full Robots inspired by cockroach ingenuity (45) test
• Robert Full Learning from the gecko's tail (29) test
• Dennis Hong My seven species of robot -- and how we created them (29) test
• Robert Full The secrets of nature's grossest creatures, channeled into robots (27) test
• Dennis Hong 7 new species of robot that jump, dance — and walk on water (26) test

Robert Gordon: The death of innovation, the end of growth - test

• Charles Robertson Africa's next boom (46) test
• Olivier Scalabre The next manufacturing revolution is here (38) test
• Kate Raworth A healthy economy should be designed to thrive, not grow (38) test
• Alex Tabarrok How ideas trump crises (34) test
• Yuval Noah Harari The actual cost of preventing climate breakdown (32) test

Robert Gupta: Between music and medicine - test

• Joey Alexander An 11-year-old prodigy performs old-school jazz (63) test
• Michael Tilson Thomas Music and emotion through time (58) test
• Robert Gupta Music is medicine, music is sanity (56) test
• David Byrne How architecture helped music evolve (54) test
• Elizabeth Cawein How to build a thriving music scene in your city (53) test

Robert Gupta: Music is medicine, music is sanity - test

• Robert Gupta Between music and medicine (56) test
• Joey Alexander An 11-year-old prodigy performs old-school jazz (54) test
• Michael Tilson Thomas Music and emotion through time (51) test
• David Byrne How architecture helped music evolve (46) test
• Elizabeth Cawein How to build a thriving music scene in your city (44) test

Robert Hakiza: Refugees want empowerment, not handouts - test

• Alexander Betts Our refugee system is failing. Here's how we can fix it (54) test
• David Miliband The refugee crisis is a test of our character (46) test
• Benedetta Berti and Evelien Borgman What does it mean to be a refugee? (38) test
• Melissa Fleming Let's help refugees thrive, not just survive (35) test
• Melanie Nezer The fundamental right to seek asylum (34) test

Robert Hammond: Building a park in the sky - test

• Amanda Burden How public spaces make cities work (53) test
• Liu Thai Ker The architectural mastermind behind modern Singapore (35) test
• David Rockwell A memorial at Ground Zero (35) test
• Rahul Mehrotra The architectural wonder of impermanent cities (35) test
• Mick Cornett How an obese town lost a million pounds (34) test

Robert Katzschmann: The future of machines that move like animals - test

• Christoph Keplinger The artificial muscles that will power robots of the future (38) test
• Jeffrey Siegel What makes muscles grow? (34) test
• Christian Moro The surprising reason our muscles get tired (30) test
• Paul Greenberg The four fish we're overeating -- and what to eat instead (27) test
• K. Erica Dodge Gyotaku The ancient Japanese art of printing fish (24) test

Robert Lang: The math and magic of origami - test

• Evan Zodl The unexpected math of origami (56) test
• Paul Rothemund DNA folding, in detail (29) test
• Michael Hansmeyer Building unimaginable shapes (23) test
• Dan Ariely What makes us feel good about our work? (22) test
• George Whitesides A lab the size of a postage stamp (21) test

Robert Lustig: Sugar Hiding in plain sight - test

• Nicole Avena How sugar affects the brain (47) test
• Jen Gunter The truth about yeast in your body (42) test
• Richard J. Wood How do carbohydrates impact your health? (39) test
• Mel Rosenberg What causes cavities? (32) test
• Carolyn Bertozzi What the sugar coating on your cells is trying to tell you (22) test

Robert Muggah: How to protect fast-growing cities from failing - test

• Robert Muggah The biggest risks facing cities -- and some solutions (66) test
• Marvin Rees How is your city tackling the climate crisis? (55) test
• Alessandra Orofino It’s our city. Let’s fix it (52) test
• Enrique Peñalosa Why buses represent democracy in action (48) test
• Vance Kite Urbanization and the evolution of cities across 10,000 years (47) test

Robert Muggah: The biggest risks facing cities -- and some solutions - test

• Marvin Rees How is your city tackling the climate crisis? (66) test
• Robert Muggah How to protect fast-growing cities from failing (66) test
• Benjamin Barber Why mayors should rule the world (59) test
• Angel Hsu Cities are driving climate change. Here's how they can fix it (56) test
• Alessandra Orofino It’s our city. Let’s fix it (55) test

Robert Neuwirth: The age-old sharing economies of Africa -- and why we should scale them - test

• Robert Neuwirth The power of the informal economy (36) test
• Eleni Gabre-Madhin A commodities exchange for Ethiopia (33) test
• Ngozi Okonjo-Iweala Want to help Africa? Do business here (31) test
• Hans Rosling The best stats you've ever seen (30) test
• Euvin Naidoo Why invest in Africa (30) test

Robert Neuwirth: The hidden world of shadow cities - test

• Scott Dinsmore How to find work you love (48) test
• Mia Birdsong The story we tell about poverty isn't true (45) test
• Smruti Jukur Johari What if the poor were part of city planning? (44) test
• Seth Godin The tribes we lead (44) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (44) test

Robert Neuwirth: The power of the informal economy - test

• Robert Neuwirth The age-old sharing economies of Africa -- and why we should scale them (36) test
• Geoff Mulgan Post-crash, investing in a better world (36) test
• Ngozi Okonjo-Iweala Want to help Africa? Do business here (36) test
• Angela Francis How to get everyone to care about a green economy (36) test
• Ray Dalio What coronavirus means for the global economy (36) test

Robert Palmer: The Panama Papers exposed a huge global problem. What's next? - test

• Charmian Gooch My wish To launch a new era of openness in business (37) test
• Gerard Ryle How the Panama Papers journalists broke the biggest leak in history (34) test
• Charmian Gooch Meet global corruption's hidden players (34) test
• Gordon Brown Wiring a web for global good (29) test
• Harald Eia Where in the world is it easiest to get rich? (28) test

Robert Reffkin: 5 ways to create stronger connections - test

• Scott Dinsmore How to find work you love (58) test
• Linus Torvalds The mind behind Linux (55) test
• Erez Yoeli How to motivate people to do good for others (52) test
• Dan Ariely What makes us feel good about our work? (52) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (52) test

Robert Sapolsky: The biology of our best and worst selves - test

• Dan Reisel The neuroscience of restorative justice (36) test
• Dan Gilbert The psychology of your future self (29) test
• Jeff Hawkins How brain science will change computing (28) test
• Matthieu Ricard How to let altruism be your guide (28) test
• Helen Fisher Technology hasn't changed love. Here's why (28) test

Robert Siddall: These squids can fly... no, really - test

• Anupam Mishra The ancient ingenuity of water harvesting (27) test
• Edith Widder How we found the giant squid (26) test
• Lana Mazahreh 3 thoughtful ways to conserve water (26) test
• David Sedlak 4 ways we can avoid a catastrophic drought (25) test
• Balsher Singh Sidhu Are we running out of clean water? (25) test

Robert Swan: Let's save the last pristine continent - test

• Camille Seaman The Arctic vs. the Antarctic (42) test
• Ben Saunders Why did I ski to the North Pole? (40) test
• Lewis Pugh How I swam the North Pole (40) test
• Ray Zahab My trek to the South Pole (40) test
• Lee Hotz Inside an Antarctic time machine (37) test

Robert Thurman: Expanding your circle of compassion - test

• Joan Halifax Compassion and the true meaning of empathy (44) test
• Krista Tippett Reconnecting with compassion (42) test
• Robert Thurman We can be Buddhas (40) test
• James Forbes Compassion at the dinner table (36) test
• Chade-Meng Tan Everyday compassion at Google (35) test

Robert Thurman: We can be Buddhas - test

• Robert Thurman Expanding your circle of compassion (40) test
• Robert Wright The evolution of compassion (38) test
• Mihaly Csikszentmihalyi Flow, the secret to happiness (35) test
• Dolly Chugh How to let go of being a "good" person -- and become a better person (35) test
• Jonathan Harris The Web's secret stories (35) test

Robert Waldinger: The secret to a happy life -- lessons from 8 decades of research - test

• Robert Waldinger What makes a good life? Lessons from the longest study on happiness (63) test
• Marisa G. Franco The secret to making new friends as an adult (54) test
• Scott Dinsmore How to find work you love (52) test
• Olivia Remes How to cope with loneliness (49) test
• Robert Reffkin 5 ways to create stronger connections (49) test

Robert Waldinger: What makes a good life? Lessons from the longest study on happiness - test

• Robert Waldinger The secret to a happy life -- lessons from 8 decades of research (63) test
• Laura Carstensen Older people are happier (47) test
• Scott Dinsmore How to find work you love (45) test
• Martin Seligman The new era of positive psychology (43) test
• Ricardo Semler How to run a company with (almost) no rules (43) test

Robert Wright: Progress is not a zero-sum game - test

• Robert Wright The evolution of compassion (48) test
• Jonathan Haidt Can a divided America heal? (41) test
• Jonathan Haidt The moral roots of liberals and conservatives (37) test
• Yuval Noah Harari Nationalism vs. globalism the new political divide (36) test
• Larry Page Where's Google going next? (36) test

Robert Wright: The evolution of compassion - test

• Robert Wright Progress is not a zero-sum game (48) test
• Chade-Meng Tan Everyday compassion at Google (44) test
• Karen Armstrong Let's revive the Golden Rule (43) test
• Krista Tippett Reconnecting with compassion (41) test
• Joan Halifax Compassion and the true meaning of empathy (41) test

Roberto D'Angelo + Francesca Fedeli: In our baby's illness, a life lesson - test

• Bruce Feiler The secret to mastering life's biggest transitions (26) test
• Crystal Rasmussen A queer journey from shame to self-love (24) test
• Neil Pasricha The 3 A's of awesome (23) test
• Maya Shankar Why change is so scary -- and how to unlock its potential (23) test
• Ric Elias 3 things I learned while my plane crashed (23) test

Robin Buckley: Why I gave my teenage daughter a vibrator - test

• Peggy Orenstein What young women believe about their own sexual pleasure (44) test
• Karen Gurney The truth about faking orgasms (39) test
• Kaz Sex education should start with consent (32) test
• Sarah Barmak The uncomplicated truth about women's sexuality (32) test
• Sue Jaye Johnson What we don't teach kids about sex (31) test

Robin Chase: Excuse me, may I rent your car? - test

• Travis Kalanick Uber's plan to get more people into fewer cars (40) test
• Lisa Gansky The future of business is the "mesh" (38) test
• Ricardo Semler How to run a company with (almost) no rules (38) test
• Kent Larson Brilliant designs to fit more people in every city (35) test
• Scott Dinsmore How to find work you love (35) test

Robin Chase: The idea behind Zipcar (and what comes next) - test

• Lisa Gansky The future of business is the "mesh" (40) test
• Travis Kalanick Uber's plan to get more people into fewer cars (37) test
• Jonas Eliasson How to solve traffic jams (36) test
• Chris Urmson How a driverless car sees the road (36) test
• Shai Agassi A new ecosystem for electric cars (36) test

Robin Hanson: What would happen if we upload our brains to computers? - test

• Alex Kipman A futuristic vision of the age of holograms (33) test
• Greg Anderson Why there's no such thing as objective reality (32) test
• Maurice Conti The incredible inventions of intuitive AI (31) test
• Steven Pinker Is the world getting better or worse? A look at the numbers (30) test
• Jane Goodall What separates us from chimpanzees? (30) test

Robin Hauser: The likability dilemma for women leaders - test

• Cecile Richards The political progress women have made -- and what's next (50) test
• Sheryl Sandberg Why we have too few women leaders (50) test
• Sheryl Sandberg So we leaned in ... now what? (50) test
• Julia Gillard and Ngozi Okonjo-Iweala 6 essential lessons for women leaders (49) test
• Sara Sanford How to design gender bias out of your workplace (48) test

Robin Ince: Science versus wonder? - test

• Stephen Hawking Questioning the universe (31) test
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• Brian Cox CERN's supercollider (28) test

Robin Morgan: 4 powerful poems about Parkinson's and growing older - test

• Diane Knutson Why we need darkness (27) test
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Robin Murphy: These robots come to the rescue after a disaster - test

• Ali Kashani A friendly, autonomous robot that delivers your food (41) test
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Robin Nagle: What I discovered in New York City trash - test

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Robin Steinberg and Manoush Zomorodi: The US is addicted to incarceration. Here's how to break the cycle - test

• Robin Steinberg What if we ended the injustice of bail? (65) test
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Robin Steinberg: What if we ended the injustice of bail? - test

• Camilo Ramirez The problem with the U.S. bail system (67) test
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• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (36) test

Robyn J. Crook: How do animals experience pain? - test

• Emma Marris Are wild animals really "wild"? (45) test
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Robyn Stein DeLuca: The good news about PMS - test

• Cecile Richards The political progress women have made -- and what's next (40) test
• Paula Johnson His and hers ... health care (38) test
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Rocío Lorenzo: How diversity makes teams more innovative - test

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Rod Phillips: A brief history of alcohol - test

• Rod Phillips What happened when the United States tried to ban alcohol (36) test
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• Judy Grisel How does alcohol make you drunk? (34) test
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Rod Phillips: A brief history of divorce - test

• George Blair-West 3 ways to build a happy marriage and avoid divorce (24) test
• Jeannie Suk Gersen How understanding divorce can help your marriage (23) test
• Jenna McCarthy What you don't know about marriage (23) test
• Jimmy Carter Why I believe the mistreatment of women is the number one human rights abuse (21) test
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Rod Phillips: What happened when the United States tried to ban alcohol - test

• Judy Grisel How does alcohol make you drunk? (41) test
• Rod Phillips A brief history of alcohol (36) test
• Judy Grisel How does alcohol cause hangovers? (35) test
• Ethan Nadelmann Why we need to end the War on Drugs (20) test
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Rodin Lyasoff: How autonomous flying taxis could change the way you travel - test

• Anna Mracek Dietrich A plane you can drive (37) test
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Rodney Brooks: Robots will invade our lives - test

• Vijay Kumar Robots that fly ... and cooperate (62) test
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Rodney Brooks: Why we will rely on robots - test

• Kate Darling Why we have an emotional connection to robots (48) test
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• David Lee Why jobs of the future won't feel like work (44) test
• Ali Kashani A friendly, autonomous robot that delivers your food (42) test

Rodney Mullen: Pop an ollie and innovate! - test

• JR Why art is a tool for hope (28) test
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Rodrigo Bijou: Governments don't understand cyber warfare. We need hackers - test

• David Rothkopf How fear drives American politics (30) test
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Rodrigo Canales: The deadly genius of drug cartels - test

• Rachel Kleinfeld A path to security for the world's deadliest countries (35) test
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Rodrigo y Gabriela: An electrifying acoustic guitar performance - test

• Kaki King A musical escape into a world of light and color (94) test
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Roey Tzezana: Could human civilization spread across the whole galaxy? - test

• George Dyson The birth of the computer (35) test
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• Chris Anderson Why can't we see evidence of alien life? (33) test
• Chris Anderson (TED) Questions no one knows the answers to (30) test
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Roger Antonsen: Math is the hidden secret to understanding the world - test

• Eddie Woo How math is our real sixth sense (29) test
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Roger Doiron: My subversive (garden) plot - test

• Tristram Stuart The global food waste scandal (53) test
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• Josette Sheeran Ending hunger now (50) test
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Roger Ebert: Remaking my voice - test

• Rébecca Kleinberger Why you don't like the sound of your own voice (50) test
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Roger Hanlon: The amazing brains and morphing skin of octopuses and other cephalopods - test

• Jeff Hawkins How brain science will change computing (36) test
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Roger McNamee: 6 ways to save the internet - test

• Larry Page Where's Google going next? (35) test
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Roger Stein: A bold new way to fund drug research - test

• Mark Tyndall The harm reduction model of drug addiction treatment (42) test
• Ethan Nadelmann Why we need to end the War on Drugs (41) test
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Rogier van der Heide: Why light needs darkness - test

• Colm Kelleher Is light a particle or a wave? (56) test
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• Diane Knutson Why we need darkness (51) test

Rohan Pavuluri: An app that empowers people to solve their legal problems - test

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• Scott Dinsmore How to find work you love (41) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (38) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (38) test
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Rolf Landua: What happened to antimatter? - test

• Jordan Wirfs-Brock The four things you need to know about the energy you use (38) test
• Renée Hlozek The death of the universe (35) test
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Romain Lacombe: A personal air-quality tracker that lets you know what you're breathing - test

• Arunabha Ghosh 5 steps for clean air in India (55) test
• Tapiwa Chiwewe You don't have to be an expert to solve big problems (54) test
• María Neira This is your brain on air pollution (54) test
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• Rosamund Adoo-Kissi-Debrah The tragedy of air pollution -- and an urgent demand for clean air (50) test

Romaine Seguin: When goods cross borders, armies stay home - test

• Rutger Bregman Poverty isn't a lack of character; it's a lack of cash (28) test
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Roman Krznaric: How to be a good ancestor - test

• Brittney Cooper The racial politics of time (40) test
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Roman Mars: Why city flags may be the worst-designed thing you've never noticed - test

• Michael Green How flags unite (and divide) us (67) test
• Dread Scott How art can shape America's conversation about freedom (42) test
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Romina Libster: The power of herd immunity - test

• Seth Berkley The quest for the coronavirus vaccine (46) test
• Bill Gates How we must respond to the coronavirus pandemic (44) test
• Michael Specter The danger of science denial (41) test
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Romulus Whitaker: The real danger lurking in the water - test

• Gowri Shankar A king cobra bite -- and a scientific discovery (43) test
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Ron Eglash: The fractals at the heart of African designs - test

• George Ayittey Africa's cheetahs versus hippos (25) test
• Neil Turok My wish Find the next Einstein in Africa (24) test
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Ron Finley: A guerrilla gardener in South Central LA - test

• Jasmine Crowe What we're getting wrong in the fight to end hunger (46) test
• Roger Doiron My subversive (garden) plot (45) test
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• Aparna Pallavi What foods did your ancestors love? (42) test
• Josette Sheeran Ending hunger now (40) test

Ron Gutman: The hidden power of smiling - test

• Rana el Kaliouby This app knows how you feel -- from the look on your face (24) test
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Ron McCallum: How technology allowed me to read - test

• Ann Morgan My year reading a book from every country in the world (50) test
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• Michelle Kuo The healing power of reading (37) test
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Ron Shaneyfelt: Is space trying to kill us? - test

• James Orsulak Why we need to move manufacturing off-planet (47) test
• Carrie Nugent Adventures of an asteroid hunter (45) test
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Ronald Rael: An architect's subversive reimagining of the US-Mexico border wall - test

• Alexandra Auer The intangible effects of walls (48) test
• Megan Campisi and Pen-Pen Chen What makes the Great Wall of China so extraordinary (48) test
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• Will Hurd A wall won't solve America's border problems (29) test
• Michael R. Stiff Why is cotton in everything? (28) test

Ronald Sullivan: How I help free innocent people from prison - test

• Scott Dinsmore How to find work you love (35) test
• Eve Abrams The human stories behind mass incarceration (34) test
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• Ricardo Semler How to run a company with (almost) no rules (34) test
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Roni Shanoada: How does heart transplant surgery work? - test

• Krishna Sudhir What happens during a heart attack? (52) test
• Sandeep Jauhar How your emotions change the shape of your heart (51) test
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• Chuck Murry Can we regenerate heart muscle with stem cells? (45) test
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Ronny Edry: Israel and Iran A love story? - test

• Scott Dinsmore How to find work you love (40) test
• Trita Parsi Iran and Israel Peace is possible (39) test
• Ricardo Semler How to run a company with (almost) no rules (39) test
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• Gus Worland Is someone you love suffering in silence? Here's what to do (37) test

Rory Bremner: A one-man world summit - test

• Gordon Brown Wiring a web for global good (41) test
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Rory Stewart: Time to end the war in Afghanistan - test

• Tamana Ayazi and Kat Craig The danger and devotion of fighting for women in Afghanistan (37) test
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Rory Stewart: Why democracy matters - test

• Timothy Snyder Is democracy doomed? The global fight for our future (45) test
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Rory Sutherland: Life lessons from an ad man - test

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Rory Sutherland: Perspective is everything - test

• Rory Sutherland Life lessons from an ad man (35) test
• Ricardo Semler How to run a company with (almost) no rules (34) test
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Rory Sutherland: Sweat the small stuff - test

• Eddie Obeng Smart failure for a fast-changing world (38) test
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Rosalind G. Brewer: How to foster true diversity and inclusion at work (and in your community) - test

• Anjali Sud and Stephanie Mehta How great leaders take on uncertainty (43) test
• Nick Turner and Whitney Pennington Rodgers How to fix two of the most broken systems in the US (41) test
• Roy Bahat and Bryn Freedman How do we find dignity at work? (37) test
• Scott Dinsmore How to find work you love (37) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (36) test

Rosalind Picard: An AI smartwatch that detects seizures - test

• Ricardo Semler How to run a company with (almost) no rules (30) test
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Rosamund Adoo-Kissi-Debrah: The tragedy of air pollution -- and an urgent demand for clean air - test

• Emily Parsons-Lord Art made of the air we breathe (54) test
• María Neira This is your brain on air pollution (52) test
• Romain Lacombe A personal air-quality tracker that lets you know what you're breathing (50) test
• Arunabha Ghosh 5 steps for clean air in India (49) test
• Tapiwa Chiwewe You don't have to be an expert to solve big problems (43) test

Rosanne Cash: The rhythm and rhyme of memory, solitude and community - test

• Vusi Mahlasela "Thula Mama" (23) test
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Rosario Perazolo Masjoan: ¿Cuándo te importa mi silla de ruedas? - test

• Scott Dinsmore How to find work you love (48) test
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Rose Eveleth: Cicadas The dormant army beneath your feet - test

• Joy Lin If superpowers were real Immortality (21) test
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• Dan Buettner How to live to be 100+ (17) test

Rose Eveleth: How do we smell? - test

• Jen Gunter How your sense of smell helps you savor flavor (58) test
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• Alexandra Horowitz How do dogs "see" with their noses? (37) test
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• James Logan How we're using dogs to sniff out malaria (33) test

Rose Eveleth: The loathsome lethal mosquito - test

• Hadyn Parry Re-engineering mosquitos to fight disease (40) test
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• Fredros Okumu Why I study the most dangerous animal on earth -- mosquitoes (28) test
• Cameron Webb How to design mosquitoes out of cities (28) test
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Rose Eveleth: The mystery of motion sickness - test

• Antony Gormley Sculpted space, within and without (26) test
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• Chris Urmson How a driverless car sees the road (23) test
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Rose Eveleth: The science of spiciness - test

• Aparna Pallavi What foods did your ancestors love? (27) test
• Mark Bittman What's wrong with what we eat (26) test
• Tristram Stuart The global food waste scandal (22) test
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• Carolyn Beans Food expiration dates don't mean what you think (21) test

Rose George: Inside the secret shipping industry - test

• Peter Tyack The intriguing sound of marine mammals (31) test
• Sylvia Earle My wish Protect our oceans (30) test
• Jim Hagemann Snabe Dreams and details for a decarbonized future (30) test
• Nicola Jones The dangers of a noisy ocean -- and how we can quiet it down (28) test
• Cella Wright This sea creature breathes through its butt (26) test

Rose George: Let's talk crap. Seriously. - test

• Joe Madiath Better toilets, better life (43) test
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• Michael Pritchard How to make filthy water drinkable (29) test
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Rose Goslinga: Crop insurance, an idea worth seeding - test

• Orit Tykocinski The counterintuitive psychology of insurance (44) test
• Anushka Ratnayake A transparent, easy way for smallholder farmers to save (37) test
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Rose M. Mutiso: How to bring affordable, sustainable electricity to Africa - test

• Ksenia Petrichenko What if buildings created energy instead of consuming it? (61) test
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Rose M. Mutiso: The energy Africa needs to develop -- and fight climate change - test

• Rose M. Mutiso How to bring affordable, sustainable electricity to Africa (57) test
• James Irungu Mwangi Africa's great carbon valley -- and how to end energy poverty (56) test
• TED Countdown How do we get the world off fossil fuels quickly and fairly? (53) test
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Roselinde Torres: What it takes to be a great leader - test

• Halla Tómasdóttir and Bryn Freedman The crisis of leadership -- and a new way forward (45) test
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• Patrick Awuah How to educate leaders? Liberal arts (36) test

Rosie King: How autism freed me to be myself - test

• Ethan Lisi What it's really like to have autism (62) test
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Ross Lovegrove: Organic design, inspired by nature - test

• Greg Lynn Organic algorithms in architecture (35) test
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• Cameron Sinclair My wish A call for open-source architecture (32) test

Roxane Gay: Confessions of a bad feminist - test

• Sheryl Sandberg So we leaned in ... now what? (49) test
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• Cecile Richards The political progress women have made -- and what's next (45) test
• Chimamanda Ngozi Adichie We should all be feminists (44) test

Roy Bahat and Bryn Freedman: How do we find dignity at work? - test

• David Lee Why jobs of the future won't feel like work (58) test
• Kara Logan Berlin 3 ways to be a more effective fundraiser (57) test
• Scott Dinsmore How to find work you love (55) test
• Jason Fried Why work doesn't happen at work (54) test
• Debbie Lovich 3 tips for leaders to get the future of work right (53) test

Roy Gould + Curtis Wong: A preview of the WorldWide Telescope - test

• Sean Carroll Distant time and the hint of a multiverse (47) test
• Renée Hlozek The death of the universe (46) test
• Katie Mack Life-altering questions about the end of the universe (46) test
• Emily Levesque A stellar history of modern astronomy (41) test
• Stephen Hawking Questioning the universe (41) test

Roz Savage: Why I'm rowing across the Pacific - test

• Tracy Edwards Stop being a bystander in your own life (40) test
• Sylvia Earle My wish Protect our oceans (37) test
• David Gallo Deep ocean mysteries and wonders (35) test
• Angelicque White What ocean microbes reveal about the changing climate (34) test
• Dame Ellen MacArthur The surprising thing I learned sailing solo around the world (34) test

Ruby Sales: How we can start to heal the pain of racial division - test

• John Biewen The lie that invented racism (53) test
• Alicia Garza, Patrisse Cullors and Opal Tometi An interview with the founders of Black Lives Matter (41) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (41) test
• Ibram X. Kendi The difference between being "not racist" and antiracist (39) test
• Deeyah Khan What we don't know about Europe's Muslim kids (39) test

Ruby Wax: What's so funny about mental illness? - test

• Giulia Enders The surprisingly charming science of your gut (28) test
• Simon Sinek How to discover your "why" in difficult times (28) test
• Larry Page Where's Google going next? (27) test
• Jeff Hawkins How brain science will change computing (27) test
• Gus Worland Is someone you love suffering in silence? Here's what to do (27) test

Ruchi Sinha: 3 steps to getting what you want in a negotiation - test

• Kara Logan Berlin 3 ways to be a more effective fundraiser (30) test
• Melinda Epler 3 ways to be a better ally in the workplace (29) test
• Melinda Briana Epler 3 ways to be a better ally in the workplace (29) test
• Jason Fried Why work doesn't happen at work (29) test
• Sarah Aviram Does more freedom at work mean more fulfillment? (29) test

Rufus Griscom + Alisa Volkman: Let's talk parenting taboos - test

• Andrew Solomon Love, no matter what (39) test
• Mandy Len Catron A better way to talk about love (38) test
• Mandy Len Catron Falling in love is the easy part (37) test
• Keiichiro Hirano Love others to love yourself (37) test
• Serena Williams and Gayle King On tennis, love and motherhood (37) test

Rumaitha Al Busaidi: Women and girls, you are part of the climate solution - test

• Shad Begum How women in Pakistan are creating political change (52) test
• Katharine Wilkinson How empowering women and girls can help stop global warming (51) test
• Zineb Sqalli Climate action's hidden opportunities for women (48) test
• Cecile Richards The political progress women have made -- and what's next (48) test
• H.E. Ellen Johnson Sirleaf How women will lead us to freedom, justice and peace (46) test

Rupal Patel: Synthetic voices, as unique as fingerprints - test

• Rébecca Kleinberger Why you don't like the sound of your own voice (74) test
• Emma Rodero Cómo darle credibilidad a tu voz (56) test
• David M. Howard Can we recreate the voice of a 3,000-year-old mummy? (50) test
• Roger Ebert Remaking my voice (48) test
• Beardyman The polyphonic me (47) test

Rusha Modi: What causes heartburn? - test

• TED-Ed The surprising effects of pregnancy (15) test
• Aparna Pallavi What foods did your ancestors love? (15) test
• Dean Ornish Healing through diet (14) test
• Krishna Sudhir How do cigarettes affect the body? (14) test
• Ellen Gustafson Obesity + hunger = 1 global food issue (14) test

Russ Altman: What really happens when you mix medications? - test

• Jamie Heywood The big idea my brother inspired (42) test
• Katherine Eban A dose of reality about generic drugs (41) test
• Roger Stein A bold new way to fund drug research (38) test
• Ethan Nadelmann Why we need to end the War on Drugs (38) test
• Mark Tyndall The harm reduction model of drug addiction treatment (36) test

Russell Foster: Why do we sleep? - test

• Matt Walker Sleep is your superpower (83) test
• Jen Gunter Do you really need 8 hours of sleep every night? (77) test
• Matt Walker A walk through the stages of sleep (74) test
• Dan Gartenberg The brain benefits of deep sleep -- and how to get more of it (73) test
• Masako Tamaki Can you be awake and asleep at the same time? (72) test

Russell Wilson: My secret to staying focused under pressure - test

• Bruce Feiler The secret to mastering life's biggest transitions (31) test
• Shane Wickes Why I came out as a gay football coach (31) test
• Kevin Breel Confessions of a depressed comic (30) test
• Neil Pasricha The 3 A's of awesome (30) test
• Emily Esfahani Smith There's more to life than being happy (29) test

Rutger Bregman: Poverty isn't a lack of character; it's a lack of cash - test

• Shameran Abed 4 steps to ending extreme poverty (47) test
• Ann-Helén Bay Why is it so hard to escape poverty? (44) test
• Arthur Brooks A conservative's plea Let's work together (40) test
• Andrew Youn 3 reasons why we can win the fight against poverty (37) test
• Gary Haugen The hidden reason for poverty the world needs to address now (37) test

Ruth Chang: How to make hard choices - test

• Renata Salecl Our unhealthy obsession with choice (35) test
• Sheena Iyengar The art of choosing (34) test
• Sheena Iyengar How to make choosing easier (34) test
• Jennifer Petriglieri How working couples can best support each other (33) test
• Barry Schwartz The paradox of choice (31) test

Ryah Whalen: 3 ways to make flying more climate-friendly - test

• Jim Hagemann Snabe Dreams and details for a decarbonized future (35) test
• Cory Combs The future of flying is electrifying (35) test
• Al Gore What the fossil fuel industry doesn't want you to know (33) test
• Judd A. Schorr Can you solve the airplane riddle? (32) test
• Bill Gates The innovations we need to avoid a climate disaster (32) test

Ryan Gersava: A disability-inclusive future of work - test

• Tiffany Yu How to help employees with disabilities thrive (47) test
• Meghan Hussey 4 ways to design a disability-friendly future (46) test
• David Lee Why jobs of the future won't feel like work (35) test
• Stella Young I'm not your inspiration, thank you very much (35) test
• Scott Dinsmore How to find work you love (35) test

Ryan Gravel: How an old loop of railroads is changing the face of a city - test

• Scott Dinsmore How to find work you love (47) test
• Seth Godin The tribes we lead (45) test
• Kent Larson Brilliant designs to fit more people in every city (42) test
• Linus Torvalds The mind behind Linux (42) test
• Ricardo Semler How to run a company with (almost) no rules (42) test

Ryan Heffington: How dance can unleash your inner joy - test

• Chinyanta Kabaso The dazzling diversity of African dance -- in 14 moves (50) test
• Camille A. Brown A visual history of social dance in 25 moves (41) test
• Shah Rukh Khan Thoughts on humanity, fame and love (33) test
• The LXD In the Internet age, dance evolves ... (32) test
• Prumsodun Ok The magic of Khmer classical dance (32) test

Ryan Holladay: To hear this music you have to be there. Literally - test

• Joey Alexander An 11-year-old prodigy performs old-school jazz (38) test
• Michael Tilson Thomas Music and emotion through time (37) test
• Tod Machover + Dan Ellsey Inventing instruments that unlock new music (37) test
• Elizabeth Cawein How to build a thriving music scene in your city (36) test
• David Byrne How architecture helped music evolve (35) test

Ryan Lobo: Photographing the hidden story - test

• Zainab Salbi Women, wartime and the dream of peace (35) test
• Laura Bates Everyday sexism (34) test
• Ricardo Coler Allá donde las mujeres mandan (34) test
• Tamana Ayazi and Kat Craig The danger and devotion of fighting for women in Afghanistan (34) test
• Sharmeen Obaid-Chinoy How film transforms the way we see the world (33) test

Ryan Martin: Why some anger can be good for you - test

• Ryan Martin Why we get mad -- and why it's healthy (99) test
• Soraya Chemaly The power of women's anger (53) test
• Kailash Satyarthi How to make peace? Get angry (45) test
• Elizabeth Gilbert It's OK to feel overwhelmed. Here's what to do next (38) test
• Scilla Elworthy Fighting with nonviolence (35) test

Ryan Martin: Why we get mad -- and why it's healthy - test

• Ryan Martin Why some anger can be good for you (99) test
• Soraya Chemaly The power of women's anger (53) test
• Kailash Satyarthi How to make peace? Get angry (45) test
• Elizabeth Gilbert It's OK to feel overwhelmed. Here's what to do next (38) test
• Scilla Elworthy Fighting with nonviolence (35) test

Ryan Merkley: Online video -- annotated, remixed and popped - test

• Tim Berners-Lee A Magna Carta for the web (38) test
• Kevin Kelly The next 5,000 days of the web (30) test
• Roger McNamee 6 ways to save the internet (28) test
• Tamas Kocsis The case for a decentralized internet (25) test
• Margaret Gould Stewart How YouTube thinks about copyright (24) test

Ryan Pfluger: The therapeutic value of photography - test

• Giles Duley When a reporter becomes the story (39) test
• Johann Hari This could be why you're depressed or anxious (38) test
• Jon M. Chu The pride and power of representation in film (36) test
• John Lewis and Bryan Stevenson The fight for civil rights and freedom (36) test
• Andrew Solomon Depression, the secret we share (35) test

Ryan Phelan: The intended consequences of helping nature thrive - test

• Michael Benton Mass extinctions and the future of life on Earth (34) test
• E.O. Wilson My wish Build the Encyclopedia of Life (33) test
• Prosanta Chakrabarty Clues to prehistoric times, found in blind cavefish (32) test
• Spencer Wells A family tree for humanity (32) test
• Stewart Brand The dawn of de-extinction. Are you ready? (30) test

Rébecca Kleinberger: Why you don't like the sound of your own voice - test

• Rupal Patel Synthetic voices, as unique as fingerprints (74) test
• Emma Rodero Cómo darle credibilidad a tu voz (61) test
• David M. Howard Can we recreate the voice of a 3,000-year-old mummy? (55) test
• Beardyman The polyphonic me (53) test
• Roger Ebert Remaking my voice (50) test

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