What's it like to be pals with a genius? Physicist Leonard Susskind spins a few stories about his friendship with the legendary Richard Feynman, discussing his unconventional approach to problems both serious and ... less so.
In this illuminating talk, Richard Pyle shows us thriving life on the cliffs of coral reefs and groundbreaking diving technologies he has pioneered to explore it. He and his team risk everything to reveal the secrets of undiscovered species.
Richard Branson talks to TED's Chris Anderson about the ups and the downs of his career, from his multibillionaire success to his multiple near-death experiences -- and reveals some of his (very surprising) motivations.
As the world's attention focuses on the perils of oil exploration, we present Richard Sears' talk from early February 2010. Sears, an expert in developing new energy resources, talks about our inevitable and necessary move away from oil. Toward ... what?
We feel instinctively that societies with huge income gaps are somehow going wrong. Richard Wilkinson charts the hard data on economic inequality, and shows what gets worse when rich and poor are too far apart: real effects on health, lifespan, even such basic values as trust.
Science writer Richard Preston talks about some of the most enormous living beings on the planet, the giant trees of the US Pacific Northwest. Growing from a tiny seed, they support vast ecosystems -- and are still, largely, a mystery.
In 2006, open-learning visionary Richard Baraniuk explains the vision behind Connexions (now called OpenStax), an open-source, online education system. It cuts out the textbook, allowing teachers to share and modify course materials freely, anywhere in the world.
In the Maasai community where Richard Turere lives with his family, cattle are all-important. But lion attacks were growing more frequent. In this short, inspiring talk, the young inventor shares the solar-powered solution he designed to safely scare the lions away.
At the Royal Institution in 1991, Richard Dawkins asks us to look at our universe with new eyes. Packed with big questions and illuminating visuals, this memorable journey through the history of life magnifies the splendor of evolution and our place in it.
In this archival footage from BBC TV, celebrated physicist Richard Feynman explains what fire, magnets, rubber bands (and more) are like at the scale of the jiggling atoms they're made of. This accessible, enchanting conversation in physics reveals a teeming nano-world that's just plain fun to imagine.
A story, a work of art, a face, a designed object -- how do we tell that something is beautiful? And why does it matter so much to us? Designer Richard Seymour explores our response to beauty and the surprising power of objects that exhibit it.
After a surprise appearance by Edward Snowden at TED2014, Chris Anderson said: "If the NSA wants to respond, please do." And yes, they did. Appearing by video, NSA deputy director Richard Ledgett answers Anderson's questions about the balance between security and protecting privacy.
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.
Our bodies get Vitamin D from the sun, but as dermatologist Richard Weller suggests, sunlight may confer another surprising benefit too. New research by his team shows that nitric oxide, a chemical transmitter stored in huge reserves in the skin, can be released by UV light, to great benefit for blood pressure and the cardiovascular system. What...
We've all dreamed of flying -- but for Richard Browning, flight is an obsession. He's built an Iron Man-like suit that leans on an elegant collaboration of mind, body and technology, bringing science fiction dreams a little closer to reality. Learn more about the trial and error process behind his invention and take flight with Browning in an un...
In his typically candid style, Richard St. John reminds us that success is not a one-way street, but a constant journey. He uses the story of his business' rise and fall to illustrate a valuable lesson -- when we stop trying, we fail.
Richard Baraniuk founded Connexions -- now called OpenStax -- a free, open-source, global clearinghouse of course materials. Students and educators tap into its vast store of texts on everything from engineering to ornithology to music, adapting the content as they see fit.
When Richard J. Berry, the mayor of Albuquerque, saw a man on a street corner holding a cardboard sign that read "Want a job," he decided to take him (and others in his situation) up on it. He and his staff started a citywide initiative to help the homeless by giving them day jobs and a place to sleep -- and the results were incredible. Find out...
One of the best known and most renowned scientists in history, Richard Feynman pioneered quantum mechanics. His knack for accessible explanations made him a popularizer of physics of equal distinction to laypeople.
Richard Ledgett is deputy director and senior civilian leader of the National Security Agency. He acts as the agency’s chief operating officer, responsible for guiding and directing studies, operations and policy.