TED Talks Daily (HD video)

The recent generations have been bathed in connecting technology from birth, says futurist Don Tapscott, and as a result the world is transforming into one that is far more open and transparent. In this inspiring talk, he lists the four core principles that show how this open world can be a far better place.

Massimo Banzi helped invent the Arduino, a tiny, easy-to-use open-source microcontroller that's inspired thousands of people around the world to make the coolest things they can imagine -- from toys to satellite gear. Because, as he says, "You don't need anyone's permission to make something great."

Prompted by the Encyclopaedia Britannica ending its print publication, performance poet Rives resurrects a game from his childhood. Speaking at the TEDxSummit in Doha, Rives takes us on a charming tour through random (and less random) bits of human knowledge: from Chimborazo, the farthest point from the center of the Earth, to Ham the Astrochimp, the first chimpanzee in outer space.

“The world needs you, badly,” begins celebrated biologist E.O. Wilson in his letter to a young scientist. Previewing his upcoming book, he gives advice collected from a lifetime of experience -- reminding us that wonder and creativity are the center of the scientific life. (Filmed at TEDMED.)

Can India become a global hub for innovation? Nirmalya Kumar thinks it already has. He details four types of "invisible innovation" currently coming out of India and explains why companies that used to just outsource manufacturing jobs are starting to move top management positions overseas, too. (Filmed at TEDxLondonBusinessSchool.)

Want to navigate the solar system without having to buy that expensive spacecraft? Jon Nguyen demos NASAJPL's "Eyes on the Solar System" -- free-to-use software for exploring the planets, moons, asteroids, and spacecraft that rotate around our sun in real-time. (Filmed at TEDxSanDiego.)

During the hot summer months, watching an outdoor sports match or concert can be tantamount to baking uncomfortably in the sun -- but it doesn’t have to be. At the TEDxSummit in Doha, physicist Wolfgang Kessling reveals sustainable design innovations that cool us from above and below, and even collects solar energy for later use.

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 global classroom.

Combining projection mapping and a pop-up book, Marco Tempest tells the visually arresting story of Nikola Tesla -- called “the greatest geek who ever lived” -- from his triumphant invention of alternating current to his penniless last days.

Reuters health editor Ivan Oransky warns that we’re suffering from an epidemic of preposterous preconditions -- pre-diabetes, pre-cancer, and many more. In this engaging talk from TEDMED he shows how health care can find a solution... by taking an important lesson from baseball.

What happens before a murder? In looking for ways to reduce death penalty cases, David R. Dow realized that a surprising number of death row inmates had similar biographies. In this talk he proposes a bold plan, one that prevents murders in the first place. (Filmed at TEDxAustin.)

How do you tell women’s stories? Ask women to tell them. At TEDxABQ, Megan Kamerick shows how the news media underrepresents women as reporters and news sources, and because of that tells an incomplete story. (Filmed at TEDxABQ.)

The last thing Rodney Mullen, the godfather of street skating, wanted were competitive victories. In this exuberant talk he shares his love of the open skateboarding community and how the unique environments it plays in drive the creation of new tricks -- fostering prolific ingenuity purely for passion's sake. (Filmed at TEDxUSC.)

In a humorous talk with an urgent message, LZ Granderson points out the absurdity in the idea that there's a "gay lifestyle," much less a "gay agenda." (Filmed at TEDxGrandRapids.)

In this short talk, TED Fellow Sarah Parcak introduces the field of "space archeology" -- using satellite images to search for clues to the lost sites of past civilizations.