* Viewer discretion advised. This video includes discussion of mature topics and may be inappropriate for some audiences. TED's Chris Anderson says the rise of web video is driving a worldwide phenomenon he calls Crowd Accelerated...

In a lively show, mathemagician Arthur Benjamin races a team of calculators to figure out 3-digit squares, solves another massive mental equation and guesses a few birthdays. How does he do it? He’ll tell you.

Rita Pierson, a teacher for 40 years, once heard a colleague say, "They don't pay me to like the kids." Her response: "Kids don't learn from people they don't like.'" A rousing call to educators to believe in their students and actually...

What do rap shows, barbershop banter and Sunday services have in common? As Christopher Emdin says, they all hold the secret magic to enthrall and teach at the same time — and it's a skill we often don't teach to educators. A longtime...

In the fall of 2011 Peter Norvig taught a class with Sebastian Thrun on artificial intelligence at Stanford attended by 175 students in situ -- and over 100,000 via an interactive webcast. He shares what he learned about teaching to a...

Rockstar designer Stefan Sagmeister delivers a short, witty talk on life lessons, expressed through surprising modes of design (including ... inflatable monkeys?).

It's never easy to get across the magnitude of complex tragedies -- so when Brenda Romero's daughter came home from school asking about slavery, she did what she does for a living -- she designed a game. She describes the surprising...

Nicholas Negroponte talks about how One Laptop per Child is doing, two years in. Speaking at the EG conference while the first XO laptops roll off the production line, he recaps the controversies and recommits to the goals of this...

Hector Ruiz, the executive chair of AMD, wants to give Internet access to everyone. In this talk, he shares his extraordinary life story and describes AMD's 50x15 initiative that calls for connecting 50 percent of the world by 2015.

Has our technology -- our cell phones and iPods and cameras -- stopped us from dreaming? Young artist Shilo Shiv Suleman says no, as she demos "Khoya," her new storybook for iPad, which floats us through a magical world in 7 minutes of...

Clifford Stoll captivates his audience with a wildly energetic sprinkling of anecdotes, observations, asides -- and even a science experiment. After all, by his own definition, he's a scientist: "Once I do something, I want to do...

Starting with four basic questions (that you may be surprised to find you can't answer), Jonathan Drori looks at the gaps in our knowledge -- and specifically, what we don't about science that we might think we do.

Gever Tulley uses engaging photos and footage to demonstrate the valuable lessons kids learn at his Tinkering School. When given tools, materials and guidance, these young imaginations run wild and creative problem-solving takes over to...

Kiran Bir Sethi shows how her groundbreaking Riverside School in India teaches kids life's most valuable lesson: "I can." Watch her students take local issues into their own hands, lead other young people, even educate their parents.

Photographer Phil Borges shows rarely seen images of people from the mountains of Dharamsala, India, and the jungles of the Ecuadorean Amazon. In documenting these endangered cultures, he intends to help preserve them.

Diana Laufenberg shares three surprising things she has learned about teaching -- including a key insight about learning from mistakes.

A pioneer in research on play, Dr. Stuart Brown says humor, games, roughhousing, flirtation and fantasy are more than just fun. Plenty of play in childhood makes for happy, smart adults -- and keeping it up can make us smarter at any age.

Alisa Miller, head of Public Radio International, talks about why -- though we want to know more about the world than ever -- the media is actually showing us less. Eye-opening stats and graphs.

Sir Ken Robinson makes an entertaining and profoundly moving case for creating an education system that nurtures (rather than undermines) creativity.

Strange landscapes, scorching heat and (sometimes) mad crocodiles await scientists seeking clues to evolution's genius. Paleontologist Paul Sereno talks about his surprising encounters with prehistory -- and a new way to help students...

Wofford College president Bernie Dunlap tells the story of Sandor Teszler, a Hungarian Holocaust survivor who taught him about passionate living and lifelong learning.

At the INK Conference, Arvind Gupta shares simple yet stunning plans for turning trash into seriously entertaining, well-designed toys that kids can build themselves -- while learning basic principles of science and design.

Psychopathic killers are the basis for some must-watch TV, but what really makes them tick? Neuroscientist Jim Fallon talks about brain scans and genetic analysis that may uncover the rotten wiring in the nature (and nurture) of...

In a zippy demo at TED U, AnnMarie Thomas shows how two different kinds of homemade play dough can be used to demonstrate electrical properties -- by lighting up LEDs, spinning motors, and turning little kids into circuit designers.