Society & Culture
[LESS INFO] 24 VIEWS | ADDED 15:00:55 04/15/13
It's 2013, yet 2.5 billion people in the world have no access to a basic sanitary toilet. And when there's no loo, where do you poo? In the street, probably near your water and food sources -- causing untold death and disease from contamination. Get ready for a blunt, funny, powerful talk from journalist Rose George about a once-unmentionable problem.
[LESS INFO] 35 VIEWS | ADDED 16:00:41 12/14/12
Explorer Ben Saunders wants you to go outside! Not because it’s always pleasant and happy, but because that’s where the meat of life is, “the juice that we can suck out of our hours and days.” Saunders’ next outdoor excursion? To try to be the first in the world to walk from the coast of Antarctica to the South Pole and back again.
[LESS INFO] 41 VIEWS | ADDED 14:38:34 05/21/12
We've been to the moon, we've mapped the continents, we've even been to the deepest point in the ocean -- twice. What's left for the next generation to explore? Biologist and explorer Nathan Wolfe suggests this answer: Almost everything. And we can start, he says, with the world of the unseeably small.
[LESS INFO] 239 VIEWS | ADDED 15:59:54 11/15/11
Strapped to a jet-powered wing, Yves Rossy is the Jetman -- flying free, his body as the rudder, above the Swiss Alps and the Grand Canyon. After a powerful short film shows how it works, Rossy takes the TEDGlobal stage to share the experience and thrill of flying.
[LESS INFO] 230 VIEWS | ADDED 15:05:37 09/08/11
Before life existed on Earth, there was just matter, inorganic dead "stuff." How improbable is it that life arose? And -- could it use a different type of chemistry? Using an elegant definition of life (anything that can evolve), chemist Lee Cronin is exploring this question by attempting to create a fully inorganic cell using a "Lego kit" of inorganic molecules -- no carbon -- that can assemble, replicate and compete.
[LESS INFO] 74 VIEWS | ADDED 14:48:00 07/21/11
Kevin Slavin argues that we're living in a world designed for -- and increasingly controlled by -- algorithms. In this riveting talk from TEDGlobal, he shows how these complex computer programs determine: espionage tactics, stock prices, movie scripts, and architecture. And he warns that we are writing code we can't understand, with implications we can't control.
[LESS INFO] 216 VIEWS | ADDED 14:54:00 05/24/11
Polio is almost completely eradicated. But as Bruce Aylward says: Almost isn't good enough with a disease this terrifying. Aylward lays out the plan to continue the scientific miracle that ended polio in most of the world -- and to snuff it out everywhere, forever.
[LESS INFO] 256 VIEWS | ADDED 15:20:00 05/19/11
In the deep, dark ocean, many sea creatures make their own light for hunting, mating and self-defense. Bioluminescence expert Edith Widder was one of the first to film this glimmering world. At TED2011, she brings some of her glowing friends onstage, and shows more astonishing footage of glowing undersea life.
[LESS INFO] 229 VIEWS | ADDED 14:51:00 04/21/11
All over the planet, giant telescopes and detectors are looking (and listening) for clues to the workings of the universe. At the INK Conference, science writer Anil Ananthaswamy tours us around these amazing installations, taking us to some of the most remote and silent places on Earth.
[LESS INFO] 180 VIEWS | ADDED 14:00:00 04/18/11
By leading the Americans in his audience step by step through the thought process, sociologist Sam Richards sets an extraordinary challenge: can they understand -- not approve of, but understand -- the motivations of an Iraqi insurgent? And by extension, can anyone truly understand and empathize with another? (Filmed at TEDxPSU .)
[LESS INFO] 201 VIEWS | ADDED 14:09:00 03/15/11
We think of space as a silent place. But physicist Janna Levin says the universe has a soundtrack -- a sonic composition that records some of the most dramatic events in outer space. (Black holes, for instance, bang on spacetime like a drum.) An accessible and mind-expanding soundwalk through the universe.
[LESS INFO] 197 VIEWS | ADDED 16:25:00 02/23/11
It's been said that when an elder dies, it's as if a library is burned. Anthropologist Elizabeth Lindsey, a National Geographic Fellow, collects the deep cultural knowledge passed down as stories and lore.
[LESS INFO] 51 VIEWS | ADDED 15:25:00 12/02/10
At TEDxRotterdam, Bart Weetjens talks about his extraordinary project: training rats to sniff out land mines. He shows clips of his "hero rats" in action, and previews his work's next phase: teaching them to turn up tuberculosis in the lab.
[LESS INFO] 210 VIEWS | ADDED 15:00:00 12/01/10
Marcel Dicke makes an appetizing case for adding insects to everyone's diet. His message to squeamish chefs and foodies: delicacies like locusts and caterpillars compete with meat in flavor, nutrition and eco-friendliness.
[LESS INFO] 175 VIEWS | ADDED 14:57:00 11/10/10
Aaron Huey's effort to photograph poverty in America led him to the Pine Ridge Indian Reservation, where the struggle of the native Lakota people -- appalling, and largely ignored -- compelled him to refocus. Five years of work later, his haunting photos intertwine with a shocking history lesson in this bold, courageous talk. (Filmed at TEDxDU .)