Dan Gilbert: The surprising science of happiness

TED2004

Dan Gilbert: The surprising science of happiness

15,439,085 views


Dan Gilbert, author of "Stumbling on Happiness," challenges the idea that we'll be miserable if we don't get what we want. Our "psychological immune system" lets us feel truly happy even when things don't go as planned.

Tony Robbins: Why we do what we do

TED2006

Tony Robbins: Why we do what we do

21,953,842 views


Tony Robbins discusses the "invisible forces" that motivate everyone's actions -- and high-fives Al Gore in the front row.

Dan Dennett: Let's teach religion -- all religion -- in schools

TED2006

Dan Dennett: Let's teach religion -- all religion -- in schools

2,698,509 views


Philosopher Dan Dennett calls for religion -- all religion -- to be taught in schools, so we can understand its nature as a natural phenomenon. Then he takes on The Purpose-Driven Life, disputing its claim that, to be moral, one must deny evolution.

Barry Schwartz: The paradox of choice

TEDGlobal 2005

Barry Schwartz: The paradox of choice

10,805,961 views


Psychologist Barry Schwartz takes aim at a central tenet of western societies: freedom of choice. In Schwartz's estimation, choice has made us not freer but more paralyzed, not happier but more dissatisfied.

Hans Rosling: The best stats you've ever seen

TED2006

Hans Rosling: The best stats you've ever seen

12,490,356 views


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."

Ze Frank: Nerdcore comedy

TED2004

Ze Frank: Nerdcore comedy

6,335,803 views


Performer and web toymaker Ze Frank delivers a hilarious nerdcore standup routine, then tells us what he's seriously passionate about: helping people create and interact using simple, addictive web tools.

Julia Sweeney: Letting go of God

TED2006

Julia Sweeney: Letting go of God

3,872,917 views


When two young Mormon missionaries knock on Julia Sweeney's door one day, it touches off a quest to completely rethink her own beliefs, in this excerpt from Sweeney's solo show "Letting Go of God."

James Nachtwey: My wish: Let my photographs bear witness

TED2007

James Nachtwey: My wish: Let my photographs bear witness

1,317,541 views


Accepting his 2007 TED Prize, war photographer James Nachtwey shows his life's work and asks TED to help him continue telling the story with innovative, exciting uses of news photography in the digital era.

E.O. Wilson: My wish: Build the Encyclopedia of Life

TED2007

E.O. Wilson: My wish: Build the Encyclopedia of Life

1,399,740 views


As E.O. Wilson accepts his 2007 TED Prize, he makes a plea on behalf of all creatures that we learn more about our biosphere -- and build a networked encyclopedia of all the world's knowledge about life.

Dean Kamen: Luke, a new prosthetic arm for soldiers

TED2007

Dean Kamen: Luke, a new prosthetic arm for soldiers

1,652,450 views


Inventor Dean Kamen previews the prosthetic arm he’s developing at the request of the US Department of Defense. His quiet commitment to using technology to solve problems -- while honoring the human spirit -- has never been more clear.

Nora York: Singing "What I Want"

TEDSalon 2006

Nora York: Singing "What I Want"

408,281 views


Nora York gives a stunning performance of her song "What I Want," with Jamie Lawrence (keyboards), Steve Tarshis (guitar) and Arthur Kell (bass).

Iqbal Quadir: How mobile phones can fight poverty

TEDGlobal 2005

Iqbal Quadir: How mobile phones can fight poverty

523,458 views


Iqbal Quadir tells how his experiences as a kid in poor Bangladesh, and later as a banker in New York, led him to start a mobile phone operator connecting 80 million rural Bangladeshi -- and to become a champion of bottom-up development.

Sheila Patek: The shrimp with a kick!

TED2004

Sheila Patek: The shrimp with a kick!

1,242,636 views


Biologist Sheila Patek talks about her work measuring the feeding strike of the mantis shrimp, one of the fastest movements in the animal world, using video cameras recording at 20,000 frames per second.

Susan Savage-Rumbaugh: The gentle genius of bonobos

TED2004

Susan Savage-Rumbaugh: The gentle genius of bonobos

2,324,908 views


Savage-Rumbaugh's work with bonobo apes, which can understand spoken language and learn tasks by watching, forces the audience to rethink how much of what a species can do is determined by biology -- and how much by cultural exposure.

Sasa Vucinic: Why we should invest in a free press

TEDGlobal 2005

Sasa Vucinic: Why we should invest in a free press

596,032 views


A free press -- papers, magazines, radio, TV, blogs -- is the backbone of any true democracy (and a vital watchdog on business). Sasa Vucinic, a journalist from Belgrade, talks about his new fund, which supports media by selling "free press bonds."

Alex Steffen: The route to a sustainable future

TEDGlobal 2005

Alex Steffen: The route to a sustainable future

1,479,408 views


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.

Carl Honoré: In praise of slowness

TEDGlobal 2005

Carl Honoré: In praise of slowness

2,592,676 views


Journalist Carl Honore believes the Western world's emphasis on speed erodes health, productivity and quality of life. But there's a backlash brewing, as everyday people start putting the brakes on their all-too-modern lives.

Chris Anderson: Technology's long tail

TED2004

Chris Anderson: Technology's long tail

944,914 views


Chris Anderson, then the editor of Wired, explores the four key stages of any viable technology: setting the right price, gaining market share, displacing an established technology and, finally, becoming ubiquitous.

Rick Warren: A life of purpose

TED2006

Rick Warren: A life of purpose

3,295,309 views


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.

Richard St. John: 8 secrets of success

TED2005

Richard St. John: 8 secrets of success

11,727,530 views


Why do people succeed? Is it because they're smart? Or are they just lucky? Neither. Analyst Richard St. John condenses years of interviews into an unmissable 3-minute slideshow on the real secrets of success.

Wade Davis: Dreams from endangered cultures

TED2003

Wade Davis: Dreams from endangered cultures

2,872,041 views


With stunning photos and stories, National Geographic Explorer Wade Davis celebrates the extraordinary diversity of the world's indigenous cultures, which are disappearing from the planet at an alarming rate.

Robert Wright: Progress is not a zero-sum game

TED2006

Robert Wright: Progress is not a zero-sum game

1,267,676 views


Author Robert Wright explains "non-zero-sumness" -- the network of linked fortunes and cooperation that has guided our evolution to this point -- and how we can use it to help save humanity today.

Peter Donnelly: How juries are fooled by statistics

TEDGlobal 2005

Peter Donnelly: How juries are fooled by statistics

1,083,490 views


Oxford mathematician Peter Donnelly reveals the common mistakes humans make in interpreting statistics -- and the devastating impact these errors can have on the outcome of criminal trials.