Up next, another installment in the continuing quest to understand antimatter, that stuff that's supposed to be the opposite of matter. It's supposed to have been created during the Big Bang in equal amounts as normal matter, but for some reason, it's all disappeared. No one knows why - yeah, that stuff or actually that anti-stuff.
When the Great Storm of 1900 battered Galveston, Texas, the town simply lifted itself up--in some places as much as 17 feet. Could a similar approach save cities today? Randy Behm of the US Army Corps of Engineers and Dwayne Jones of the Galveston Historical Foundation talk about the costs and feasibility of raising a town, albeit with better technology than Galveston's hand-cranked jacks and mules.
This spring the massive "Brood II" batch of 17-year cicadas is expected to emerge from the ground in backyards and parks all along the Eastern U.S. The insects will mate, lay eggs, and start the cycle all over again. Cicada expert John Cooley explains the unusual biology and evolution of periodical cicadas.
Food writer Michael Pollan once advised "Eat food. Not too much. Mostly plants." Now, he tells us how to cook it. In his new book Cooked: A Natural History of Transformation, he takes a tour of the most time-tested cooking techniques, from southern whole-hog barbecue and slow-cooked ragus to sourdough baking and pickle making.
The trial in Munich of an alleged neo-Nazi woman accused as an accomplice in a string of murders of mostly ethnic Turks is, as The Associated Press writes, "forcing Germans to confront painful truths about racism and the broader treatment of immigrants in society."
The president celebrates the 100th day of his second term by holding a news conference in which he seems unsure as to why he held a news conference in the first place. As Obama discusses "rumors of my demise," Massachusetts voters pick Senate nominees, and South Carolina's 1st District prepares for a special — and surreal — election.
After years of offering children self-supervised access to the Web, Sugata Mitra says kids can teach themselves. Mitra continues the conversation from earlier this episode by arguing that self-organized classes are the future of education, and he puts forward a bold vision: to build a school in the cloud.
Veteran teacher Rita Pierson believes that relationships are crucial to education. She talks about how classrooms lack the kind of human connections kids need to feel inspired and to learn. Pierson gave her talk as part of the PBS Special TED Talks Education, airing May 7.
The Walt Disney Co.'s decision to end its apparel production in Bangladesh after more than 500 people died in the collapse of a garment factory complex has sparked fears of a mass exodus of Western retailers.