In this breathtaking talk, world champion freediver Guillaume Néry takes us with him into the ocean's depths. Meter by meter, he explains the physical and emotional impact of water pressure, silence and holding your breath. His eloquent description of the underwater experience reveals the hidden poetry of freediving.

Why are humans so slow to react to looming crises, like a forewarned pandemic or a warming planet? It's because we're reluctant to rethink, say organizational psychologist Adam Grant. From a near-disastrous hike on Panama's highest mountain to courageously joining his high school's diving team, Grant borrows examples from his own life to illustr...

Can the interests of an individual nation be reconciled with humanity's greater good? Can a patriotic, nationally elected politician really give people in other countries equal consideration? Following his TEDTalk calling for a global ethic, UK Prime Minister Gordon Brown fields questions from TED Curator Chris Anderson.

In a wildly entertaining discussion with Richard Saul Wurman, architect Frank Gehry gives TEDsters his take on the power of failure, his recent buildings, and the all-important "Then what?" factor.

When Bran Ferren was just 9, his parents took him to see the Pantheon in Rome — and it changed everything. In that moment, he began to understand how the tools of science and engineering become more powerful when combined with art, with design and beauty. Ever since, he's been searching for a convincing modern-day equivalent to Rome's masterpiec...

Throughout humankind's history, we've driven species after species extinct: the passenger pigeon, the Eastern cougar, the dodo ... But now, says Stewart Brand, we have the technology (and the biology) to bring back species that humanity wiped out. So -- should we? Which ones? He asks a big question whose answer is closer than you may think.

Advertising adds value to a product by changing our perception, rather than the product itself. Rory Sutherland makes the daring assertion that a change in perceived value can be just as satisfying as what we consider “real” value -- and his conclusion has interesting consequences for how we look at life.

John Gerzema says there's an upside to the recent financial crisis -- the opportunity for positive change. In this talk, he identifies four major cultural shifts driving new consumer behavior and shows how businesses are evolving to connect with thoughtful spending.

Do schools kill creativity? Back in 2006, Sir Ken Robinson posed this question to the TED audience -- and boy, did it touch a nerve. More than fifty million views and a decade later, head of TED Chris Anderson sits down with Sir Ken to dig into the changes and progress that have been made, and to see if the answer now is any different. How are e...

Hanna Rosin reviews startling new data that shows women actually surpassing men in several important measures, such as college graduation rates. Do these trends, both US-centric and global, signal the "end of men"? Probably not -- but they point toward an important societal shift worth deep discussion.

Technologist and futurist Bill Joy talks about several big worries for humanity -- and several big hopes in the fields of health, education and future tech.

Bruce Feiler has a radical idea: To deal with the stress of modern family life, go agile. Inspired by agile software programming, Feiler introduces family practices which encourage flexibility, bottom-up idea flow, constant feedback and accountability. One surprising feature: Kids pick their own punishments.

Shonda Rhimes, the titan behind Grey's Anatomy, Scandal and How to Get Away With Murder, is responsible for some 70 hours of television per season, and she loves to work. "When I am hard at work, when I am deep in it, there is no other feeling," she says. She has a name for this feeling: The hum. The hum is a drug, the hum is music, the hum is G...

What is happiness, and how can we all get some? Biochemist turned Buddhist monk Matthieu Ricard says we can train our minds in habits of well-being, to generate a true sense of serenity and fulfillment.

Jacqueline Novogratz shares stories of how "patient capital" can bring sustainable jobs, goods, services -- and dignity -- to the world's poorest.

After re-purposing CAPTCHA so each human-typed response helps digitize books, Luis von Ahn wondered how else to use small contributions by many on the Internet for greater good. In this talk, he shares how his ambitious new project, Duolingo, will help millions learn a new language while translating the web quickly and accurately -- all for free.

Before he fought in the galactic battles of Star Wars, Adam Driver was a United States Marine with 1/1 Weapons Company. He tells the story of how and why he became a Marine, the complex transition from soldier to civilian -- and Arts in the Armed Forces, his nonprofit that brings theater to the military. Because, as he says: "Self-expression is ...

Thinking startup? David S. Rose's rapid-fire TED U talk on pitching to a venture capitalist tells you the 10 things you need to know about yourself -- and prove to a VC -- before you fire up your slideshow.

"If I should have a daughter, instead of Mom, she's gonna call me Point B ... " began spoken word poet Sarah Kay, in a talk that inspired two standing ovations at TED2011. She tells the story of her metamorphosis -- from a wide-eyed teenager soaking in verse at New York's Bowery Poetry Club to a teacher connecting kids with the power of self-exp...

Steven Pinker's book The Blank Slate argues that all humans are born with some innate traits. Here, Pinker talks about his thesis, and why some people found it incredibly upsetting.

Worldchanging.com founder Alex Steffen argues that reducing humanity’s ecological footprint is incredibly vital now, as the western consumer lifestyle spreads to developing countries.

As COVID-19 spread, BioNTech cofounders Uğur Şahin and Özlem Türeci had one goal: to make a safe, effective vaccine faster than ever before. In this illuminating conversation with head of TED Chris Anderson, the immunologists (and married couple) share the fascinating story of how their decades of mRNA research powered the Pfizer-BioNTech vaccin...

Every doctor makes mistakes. But, says physician Brian Goldman, medicine's culture of denial (and shame) keeps doctors from ever talking about those mistakes, or using them to learn and improve. Telling stories from his own long practice, he calls on doctors to start talking about being wrong.

You've never seen data presented like this. With the drama and urgency of a sportscaster, statistics guru Hans Rosling debunks myths about the so-called "developing world."

When game designer Jane McGonigal found herself bedridden and suicidal following a severe concussion, she had a fascinating idea for how to get better. She dove into the scientific research and created the healing game, SuperBetter. In this moving talk, McGonigal explains how a game can boost resilience -- and promises to add 7.5 minutes to your...

Polio is almost completely eradicated. But as Bruce Aylward says: Almost isn't good enough with a disease this terrifying. Aylward lays out the plan to continue the scientific miracle that ended polio in most of the world -- and to snuff it out everywhere, forever.

Pastor Rick Warren, author of "The Purpose-Driven Life," reflects on his own crisis of purpose in the wake of his book's wild success. He explains his belief that God's intention is for each of us to use our talents and influence to do good.

We teach girls that they can have ambition, but not too much ... to be successful, but not too successful, or they'll threaten men, says author Chimamanda Ngozi Adichie. In this classic talk that started a worldwide conversation about feminism, Adichie asks that we begin to dream about and plan for a different, fairer world -- of happier men and...

Inventor, entrepreneur and visionary Ray Kurzweil explains in abundant, grounded detail why, by the 2020s, we will have reverse-engineered the human brain and nanobots will be operating your consciousness.

Scott Dinsmore quit a job that made him miserable, and spent the next four years wondering how to find work that was joyful and meaningful. He shares what he learned in this deceptively simple talk about finding out what matters to you — and then getting started doing it.