TEDTalks: 2015 season 2024

Asha de Vos: Why you should care about whale poo

Daniele Quercia: Happy maps

Aziz Abu Sarah: For more tolerance, we need more ... tourism?

Fredy Peccerelli: A forensic anthropologist who brings closure for the "disappeared"

Tasso Azevedo: Hopeful lessons from the battle to save rainforests

Navi Radjou: Creative problem-solving in the face of extreme limits

Robert Swan: Let's save the last pristine continent

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

Cristina Domenech: Poetry that frees the soul

Matthieu Ricard: How to let altruism be your guide

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

Joe Madiath: Better toilets, better life

Morgana Bailey: The danger of hiding who you are

Miguel Nicolelis: Brain-to-brain communication has arrived. How we did it

Severine Autesserre: To solve mass violence, look to locals

Khadija Gbla: My mother's strange definition of empowerment

Bassam Tariq: The beauty and diversity of Muslim life

Zeynep Tufekci: Online social change: easy to organize, hard to win

Bruce Aylward: Humanity vs. Ebola. How we could win a terrifying war

Ben Ambridge: 10 myths about psychology, debunked

Tom Wujec: Got a wicked problem? First, tell me how you make toast

Brian Dettmer: Old books reborn as art

Jaap de Roode: How butterflies self-medicate

Ricardo Semler: How to run a company with (almost) no rules

Kenneth Shinozuka: My simple invention, designed to keep my grandfather safe

Hannah Fry: The mathematics of love

Guy Winch: Why we all need to practice emotional first aid

Nadine Burke Harris: How childhood trauma affects health across a lifetime

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

Angelo Vermeulen: How to go to space, without having to go to space

James A. White Sr.: The little problem I had renting a house

Rob Knight: How our microbes make us who we are

Khalida Brohi: How I work to protect women from honor killings

Romina Libster: The power of herd immunity

Ben Wellington: How we found the worst place to park in New York City -- using big data

Helder Guimarães: A magical search for a coincidence

Jon Gosier: The problem with "trickle-down techonomics"

Topher White: What can save the rainforest? Your used cell phone

Harry Baker: A love poem for lonely prime numbers

Andy Yen: Think your email's private? Think again

Ilona Szabó de Carvalho: 4 lessons I learned from taking a stand against drugs and gun violence

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

Marc Kushner: Why the buildings of the future will be shaped by ... you

Ismael Nazario: What I learned as a kid in jail

Shimpei Takahashi: Play this game to come up with original ideas

Linda Hill: How to manage for collective creativity

Vincent Cochetel: I was held hostage for 317 days. Here's what I thought about...

Robyn Stein DeLuca: The good news about PMS

David Eagleman: Can we create new senses for humans?

Joseph DeSimone: What if 3D printing was 100x faster?

Monica Lewinsky: The price of shame

Fei-Fei Li: How we're teaching computers to understand pictures

Anand Giridharadas: A tale of two Americas. And the mini-mart where they collided

Dave Isay: Everyone around you has a story the world needs to hear

Theaster Gates: How to revive a neighborhood: with imagination, beauty and art

Dame Stephanie Shirley: Why do ambitious women have flat heads?

Alison Killing: There's a better way to die, and architecture can help

Daniel Kish: How I use sonar to navigate the world

Kevin Rudd: Are China and the US doomed to conflict?

Boniface Mwangi: The day I stood up alone

Bill Gates: The next outbreak? We're not ready

Bel Pesce: 5 ways to kill your dreams

Eduardo Sáenz de Cabezón: Math is forever

Dan Ariely: How equal do we want the world to be? You'd be surprised

Fred Jansen: How to land on a comet

Barat Ali Batoor: My desperate journey with a human smuggler

Kailash Satyarthi: How to make peace? Get angry

Takaharu Tezuka: The best kindergarten you've ever seen

Paul Tudor Jones II: Why we need to rethink capitalism

Nathalie Cabrol: How Mars might hold the secret to the origin of life

Gary Haugen: The hidden reason for poverty the world needs to address now

Jedidah Isler: How I fell in love with quasars, blazars and our incredible universe

Chris Milk: How virtual reality can create the ultimate empathy machine

Clint Smith: How to raise a black son in America

Nizar Ibrahim: How we unearthed the spinosaurus

Nick Bostrom: What happens when our computers get smarter than we are?

Greg Gage: How to control someone else's arm with your brain

Sophie Scott: Why we laugh

Alice Goffman: How where you live can determine your path to college — or prison

Pamela Ronald: The case for engineering our food

Abe Davis: New video technology that reveals an object's hidden properties

Bill T. Jones: The dancer, the singer, the cellist ... and a moment of creative magic

Tal Danino: Programming bacteria to detect cancer (and maybe treat it)

Dawn Landes: A song for my hero, the woman who rowed into a hurricane

Anand Varma: The first 21 days of a bee's life

Elora Hardy: Magical houses, made of bamboo

Roman Mars: Why city flags may be the worst-designed thing you've never noticed

The Lady Lifers: A moving song from women in prison for life

Martine Rothblatt: My daughter, my wife, our robot, and the quest for immortality

Cosmin Mihaiu: Physical therapy is boring -- play a game instead

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

Esther Perel: Rethinking infidelity ... a talk for anyone who has ever loved

Chris Burkard: The joy of surfing in ice-cold water

Maryn McKenna: What do we do when antibiotics don't work any more?

Chris Urmson: How a driverless car sees the road

Jeffrey Brown: How we cut youth violence in Boston by 79 percent

Yassmin Abdel-Magied: What does my headscarf mean to you?

Sara Seager: The search for planets beyond our solar system

Jimmy Nelson: Gorgeous portraits of the world's vanishing people

Bill Gross: The single biggest reason why startups succeed

Laura Schulz: The surprisingly logical minds of babies

Tony Fadell: The first secret of design is ... noticing

Trevor Aaronson: How this FBI strategy is actually creating US-based terrorists

Linda Cliatt-Wayman: How to fix a broken school? Lead fearlessly, love hard

Suki Kim: This is what it's like to teach in North Korea

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

Donald Hoffman: Do we see reality as it is?

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

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

Margaret Heffernan: Why it's time to forget the pecking order at work

Steve Silberman: The forgotten history of autism

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

Joey Alexander: An 11-year-old prodigy performs old-school jazz

Roxane Gay: Confessions of a bad feminist

Chip Kidd: The art of first impressions -- in design and life

Dame Ellen MacArthur: The surprising thing I learned sailing solo around the world

Jimmy Carter: Why I believe the mistreatment of women is the number one human rights abuse

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

Gayle Tzemach Lemmon: Meet the women fighting on the front lines of an American war

Rajiv Maheswaran: The math behind basketball's wildest moves

Memory Banda: A warrior's cry against child marriage

Johann Hari: Everything you think you know about addiction is wrong

Ash Beckham: When to take a stand -- and when to let it go

Noy Thrupkaew: Human trafficking is all around you. This is how it works

Aspen Baker: A better way to talk about abortion

Alec Soth + Stacey Baker: This is what enduring love looks like

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

Marlene Zuk: What we learn from insects' kinky sex lives

Jon Ronson: When online shaming spirals out of control

Alaa Murabit: What my religion really says about women

John Green: The nerd's guide to learning everything online

eL Seed: Street art with a message of hope and peace

Yuval Noah Harari: What explains the rise of humans?

Benedetta Berti: The surprising way groups like ISIS stay in power

Rich Benjamin: My road trip through the whitest towns in America

Matt Kenyon: A secret memorial for civilian casualties

Patience Mthunzi: Could we cure HIV with lasers?

Alix Generous: How I learned to communicate my inner life with Asperger's

Manuel Lima: A visual history of human knowledge

Minh Thuy Ta: Stop fighting for feminism

Tony Wyss-Coray: How young blood might help reverse aging. Yes, really

Jim Al-Khalili: How quantum biology might explain life's biggest questions

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

Robin Murphy: These robots come to the rescue after a disaster

Yves Morieux: How too many rules at work keep you from getting things done

Wendy Freedman: This new telescope might show us the beginning of the universe

Elizabeth Nyamayaro: An invitation to men who want a better world for women

Jamie Bartlett: How the mysterious dark net is going mainstream

Jim Simons: A rare interview with the mathematician who cracked Wall Street

Alan Eustace: I leapt from the stratosphere. Here's how I did it

Barry Schwartz: The way we think about work is broken

BJ Miller: What really matters at the end of life

Billie Jean King: This tennis icon paved the way for women in sports

Christopher Soghoian: How to Avoid Surveillance...With Your Phone

David Rothkopf: How fear drives American politics

Dustin Yellin: A journey through the mind of an artist

Mia Birdsong: The story we tell about poverty isn't true

Michael Kimmel: Why gender equality is good for everyone — men included

Mandy Len Catron: Falling in love is the easy part

Scott Dinsmore: How to find work you love

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

Frances Larson: Why public beheadings get millions of views

Mary Robinson: Why climate change is a threat to human rights

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

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

Taiye Selasi: Don't ask where I'm from, ask where I'm a local

Mac Stone: Stunning photos of the endangered Everglades

Martin Pistorius: How my mind came back to life — and no one knew

Emilie Wapnick: Why some of us don't have one true calling

Alice Bows-Larkin: Climate change is happening. Here's how we adapt

Siddhartha Mukherjee: Soon we'll cure diseases with a cell, not a pill

Neri Oxman: Design at the intersection of technology and biology

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

Teitur: Home is a song I've always remembered

Michael Green: How we can make the world a better place by 2030

Vijay Kumar: The future of flying robots

Alyson McGregor: Why medicine often has dangerous side effects for women

Meklit Hadero: The unexpected beauty of everyday sounds

Will Potter: The secret US prisons you've never heard of before

Jennifer Doudna: We can now edit our DNA. But let's do it wisely

Tom Uglow: An Internet without screens might look like this

Francesco Sauro: Deep under the Earth's surface, discovering beauty and science

Hilary Cottam: Social services are broken. How we can fix them

Cesar Harada: How I teach kids to love science

Christine Sun Kim: The enchanting music of sign language

Mathias Jud: Art that lets you talk back to NSA spies

Daniel Levitin: How to stay calm when you know you'll be stressed

Nancy Lublin: The heartbreaking text that inspired a crisis help line

Melissa Fleming: A boat carrying 500 refugees sunk at sea. The story of two survivors

Patrícia Medici: The coolest animal you know nothing about ... and how we can save it

Harald Haas: A breakthrough new kind of wireless Internet

Anders Fjellberg: Two nameless bodies washed up on the beach. Here are their stories

Kaki King: A musical escape into a world of light and color

Jenni Chang and Lisa Dazols: This is what LGBT life is like around the world

Andreas Ekström: The moral bias behind your search results

Chelsea Shields: How I'm working for change inside my church

Jean-Paul Mari: The chilling aftershock of a brush with death

Josh Luber: The secret sneaker market -- and why it matters

Nonny de la Peña: The future of news? Virtual reality

Anote Tong: My country will be underwater soon -- unless we work together

Carl Safina: What are animals thinking and feeling?

Genevieve von Petzinger: Why are these 32 symbols found in ancient caves all over Europe?

Ann Morgan: My year reading a book from every country in the world

Regina Hartley: Why the best hire might not have the perfect resume

Marina Abramović: An art made of trust, vulnerability and connection

Kristen Marhaver: How we're growing baby corals to rebuild reefs

Jessica Shortall: The US needs paid family leave -- for the sake of its future

Chieko Asakawa: How new technology helps blind people explore the world

Guillaume Néry: The exhilarating peace of freediving

Jedidah Isler: The untapped genius that could change science for the better

Danit Peleg: Forget shopping. Soon you'll download your new clothes

Raymond Wang: How germs travel on planes -- and how we can stop them

Nicole Paris and Ed Cage: A beatboxing lesson from a father-daughter duo

Paul Greenberg: The four fish we're overeating -- and what to eat instead

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

Alison Killing: What happens when a city runs out of room for its dead

Jane Fonda and Lily Tomlin: A hilarious celebration of lifelong female friendship

António Guterres: Refugees have the right to be protected

Rodrigo Bijou: Governments don't understand cyber warfare. We need hackers

Jason deCaires Taylor: An underwater art museum, teeming with life

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