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TED stands for Technology, Entertainment, Design. It started out (in 1984) as a conference bringing together people from those three worlds. Since then its scope has become ever broader.

The annual conference now brings together the world's most fascinating thinkers and doers, who are challenged to give the talk of their lives (in 18 minutes).

Our mission: Spreading ideas.

We believe passionately in the power of ideas to change attitudes, lives and ultimately, the world. So we're building here a clearinghouse that offers free knowledge and inspiration from the world's most inspired thinkers, and also a community of curious souls to engage with ideas and each other. This site, launched April 2007, is an ever-evolving work in progress, and you're an important part of it. Have an idea? We want to hear from you.

The TED Conference, held annually in Long Beach, is still the heart of TED. More than a thousand people now attend -- indeed, the event sells out a year in advance -- and the content has expanded to include science, business, the arts and the global issues facing our world. Over four days, 50 speakers each take an 18-minute slot, and there are many shorter pieces of content, including music, performance and comedy. There are no breakout groups. Everyone shares the same experience. It shouldn't work, but it does. It works because all of knowledge is connected. Every so often it makes sense to emerge from the trenches we dig for a living, and ascend to a 30,000-foot view, where we see, to our astonishment, an intricately interconnected whole.

In recent years, TED has spawned some important extensions.

TEDGlobal is a sister conference held every other year, and in a different country on each occasion. The first conference was held in Oxford, England, in 2005; the second, in June 2007, was held in Arusha, Tanzania. The themes of the global conference are slightly more focused on development issues, but the basic TED format is maintained.

The TED Prize is designed to leverage the TED Community's exceptional array of talent and resources. It is awarded annually to three exceptional individuals who each receive $100,000 and, much more important, the granting of "One Wish to Change the World." After several months of preparation, they unveil their wish at an award ceremony held during the TED Conference. These wishes have led to collaborative initiatives with far-reaching impact.

TEDTalks began as a simple attempt to share what happens at TED with the world. Under the moniker "ideas worth spreading," talks were released online. They rapidly attracted a global audience in the millions. Indeed, the reaction was so enthusiastic that the entire TED website has been reengineered around TEDTalks, with the goal of giving everyone on-demand access to the world's most inspiring voices.

Today, TED is therefore best thought of as a global community. It's a community welcoming people from every discipline and culture who have just two things in common: they seek a deeper understanding of the world, and they hope to turn that understanding into a better future for us all.

Entries by TEDTalks

WATCH: The Amazing Story of How This Astronaut Went to Space, Went Blind and Returned to Earth Will Leave You in Awe

(116) Comments | Posted April 11, 2014 | 10:00 AM

He tweeted from the International Space Station. Now astronaut Chris Hadfield tells the amazing story of going blind in space. Then he covers David Bowie, just because.

Ideas are not set in stone. When exposed to thoughtful people, they morph and adapt into their most potent form. TEDWeekends will highlight...

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WATCH: This Fashion Model Just Shared A Big Secret. Her Story Will Make You Stand Up And Applaud.

(124) Comments | Posted April 4, 2014 | 10:00 AM

She's a model and a beauty pageant queen now. But she reveals that her life started out in a very different place. Don't miss Geena Rocero's powerful story about identity, gender and finding the courage to be your true self.

Ideas are not set in stone. When exposed to thoughtful...

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WATCH: 3 Secrets Behind Why YouTube Videos Go Viral

(10) Comments | Posted March 28, 2014 | 9:00 AM

Rebecca Black. Double rainbows. Nyan cat. Why do some videos made by ordinary people become internet sensations? And what do the videos we love say about who we are? YouTube's Kevin Allocca breaks it down in this nostalgic viral video tour.

Ideas are not set in stone. When exposed to...

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WATCH: This Woman Has A Powerful Reason For Wanting More Stay-At-Home Dads (Hint: It's About The Economy)

(216) Comments | Posted March 21, 2014 | 9:00 AM

Why is it more prestigious to be a CEO than it is to take care of your family? Why aren't caregivers and breadwinners equally celebrated? And do women actually have more choices than men? Watch this provocative talk from public policy expert, wife and mother Anne-Marie Slaughter.

Ideas are not...

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WATCH: This Comedian With Cerebral Palsy Will Make You Think Twice About The Word 'Disability'

(105) Comments | Posted March 14, 2014 | 9:00 AM

If thinking of cerebral palsy makes you think of someone sad or helpless, then watch this talk and let comedian Maysoon Zayid blow your mind. She's fierce, she's funny, and she refuses to let you feel sorry for her.

Ideas are not set in stone. When exposed to thoughtful people,...

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WATCH: These iPod-Based Magic Tricks Are SO. MUCH. FUN

(60) Comments | Posted March 7, 2014 | 10:00 AM

What if deception is in the eye of the beholder? And what if lies can help us tell the truth? Watch this video and enter into the multimedia world of magician Marco Tempest. Then decide for yourself.

Ideas are not set in stone. When exposed to thoughtful people,...

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WATCH: What Happened When A Kid Asked Her, 'Are You A Boy Or A Girl?'

(344) Comments | Posted February 28, 2014 | 8:00 AM

In this incredibly moving talk, waitress-turned-equal-rights-advocate Ash Beckham shares a story about how a little girl's innocence stopped her in her tracks. See what this profound encounter reveals about finding the courage to be yourself and to say the things you never thought you could say.

Ideas are not set...

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WATCH: Does Money Make You Mean?

(337) Comments | Posted February 21, 2014 | 8:00 AM

It's amazing what a rigged game of Monopoly can reveal. Psychologist Paul Piff shares research showing that people who feel wealthy tend to behave badly. Why is that? And what does it mean for America?

Ideas are not set in stone. When exposed to thoughtful people, they morph and adapt...

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WATCH: This Artist Overcame Adversity To Make Art That Will Blow You Away

(40) Comments | Posted February 14, 2014 | 8:00 AM

Hamburger grease and live worms are just some of the materials artist Phil Hansen uses to create his stunning artwork. Find out how limits fuel his creativity and see his unbelievable creations for yourself.

Ideas are not set in stone. When exposed to thoughtful people, they morph and adapt into...

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LISTEN: 5 Ideas That May Change How You Think About Privacy

(83) Comments | Posted January 31, 2014 | 8:00 AM

TED, NPR and The Huffington Post are teaming up to explore the state of privacy today.

Hear an artist, a lawyer, a hacker, an economist, and an entrepreneur share their ideas on the meaning of privacy in the...

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WATCH: A Comedian's Hilarious Tale of Having 'The Talk' With Her Daughter

(23) Comments | Posted January 24, 2014 | 8:00 AM

Having "The Talk" with her 8-year-old daughter was awkward enough. Then they decided to look up cats mating on the Internet, and soon actress and author Julia Sweeney was an inch away from showing her daughter porn. Don't miss the hilarious (and heartwarming) results.

Ideas are not set in stone....

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WATCH: X-Rays Of Everyday Objects Will Blow You Away With Their Beauty

(24) Comments | Posted January 17, 2014 | 8:00 AM

Forget broken bones in doctor's offices and suitcases at the airport. Artist Nick Veasey turns his x-ray machine on the whole world, and these pictures will make you see it in an entirely new way.

Ideas are not set in stone. When exposed to thoughtful people, they morph and adapt...

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WATCH: 5 Dangerous Things You SHOULD Let Your Kids Do

(185) Comments | Posted January 10, 2014 | 8:00 AM

What if the best way to help kids learn is to stop trying so hard to keep them safe? Hear popular TED speaker Gever Tulley's radical argument for letting kids play with power tools and other things that will make parents squirm.

Ideas are not set in stone. When exposed...

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WATCH: 6 Insanely Popular TED Talks to Make 2014 the Best Year of Your Life

(26) Comments | Posted January 3, 2014 | 9:00 AM

To kick off the new year, TEDWeekends is proud to present a compilation of six insanely popular TED talks from the past year. These talks inspired a tremendous amount of engagement from our community, and each one provides valuable insight that will help you get the most out of life...

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WATCH: This Choir Might Restore Your Faith in Humanity

(46) Comments | Posted December 27, 2013 | 7:00 AM

At first glance, a choir may seem like nothing more than a group of singers. But look a little closer. Conductor Eric Whitacre's performers don't simply sing. They remind us of what it means to be truly connected.

Eric Whitacre's first TED talk, "A Virtual Choir 2,000 Voices...

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WATCH: Keep A Close Eye On What This Master Thief Does Next

(51) Comments | Posted December 20, 2013 | 7:00 AM

What can a pickpocket teach us about the art of getting people's attention? A lot - if you can keep up with him. Watch expert thief Apollo Robbins in action and see if you can figure out how he does it. Then, it's up to you: What would you do...

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WATCH: Did This Expert Just Figure Out How to Talk to Dolphins?

(135) Comments | Posted December 13, 2013 | 7:00 AM

What if you could spend your summers swimming with dolphins in turquoise seas? Behavioral biologist Denise Herzing does just that. In this beautiful video, meet some of the dolphins she's befriended along the way. Watch a mother dolphin play with her infant, and learn what such magical moments can teach...

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WATCH: What All Great Leaders Have In Common

(212) Comments | Posted December 6, 2013 | 7:00 AM

What do you stand for? Why do you do what you do? Your ability to answer these questions is the key to unlocking your magnetism as a leader. In one of the most popular TEDTalks of all time, Simon Sinek vividly illustrates the communication style that history's most influential people...

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WATCH: Stories You Won't Believe From Some of the World's Dirtiest Jobs

(986) Comments | Posted November 28, 2013 | 11:08 PM

Are people who do physically demanding, not-afraid-to-get-dirty jobs like farming, mining and sheep castration (yes, you read that right) the happiest people on earth? So says Mike Rowe, host of the Discovery Channel's "Dirty Jobs." See if he changes your mind about what it means to be happy at work.

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WATCH: Turns Out, We May Have Gotten the Science of Stress Completely Wrong

(349) Comments | Posted November 22, 2013 | 7:00 AM

Stop stressing about stress! Psychologist Kelly McGonigal shares new research showing that it's our thinking about stress, rather than stress itself, that affects our health. In other words, if you think stress will kill you... it just might. Find out how to make stress your friend.

Ideas are not set...

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