Astrophysicist Max Tegmark's Dangerous Idea? We are more significant than we think.
Intelligent. Optimistic. Curious.
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Artist and activist Molly Crabapple believes borders are soon becoming a thing of the past.
Journalist David Shenk says Alzheimer's an ancient illness afflicting some 5 million Americans, and that the number of cases is sure to rise dramatically as the Baby Boomers age.
Eddie Lenihan tells a story told to him by the foreman of a road construction crew in Ireland.
Engineer Bill Gurstelle loves things that go BOOM! Gurstelle tells Jim Fleming how to build and operate the Potato Cannon and a Roman catapult.
Chang-rae Lee is a Korean-American and the author of “Aloft.” He reads a bit from the novel.
Dave Foreman started as a lobbyist for the Wilderness Society in the 1970s. Then he became a radical and co-founded Earth First! becoming America's most admired and notorious environmentalist.
The mash-up is one form of remix culture.
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