Media theorist Douglas Rushkoff's Dangerous Idea? Open source currency as the next money model.
Intelligent. Optimistic. Curious.
Audio
Nigerian novelist Chimamanda Ngozi Adichie. Her most noted novel is called “Half of a Yellow Sun.”
Human and animal history is so intertwined it's hard to imagine one species without the other.
Bill Ayers was a member of the Weather Underground, which set off a series of bombs around the country in protest against the Vietnam War. Ayers insists he was not a terrorist, since his objective was never to kill people. He believes his own actions showed restraint in comparison with the enormity of the harm he believed the Vietnam War was causing.
Frank Kermode tells Steve Paulson that Shakespeare revolutionized the English language and worked within a culture that got most of its information from listening.
Emily Rapp had her foot amputated when she was 4, and the rest of the leg at age 8.
Brent Silby teaches philosophy in Christchurch, New Zealand and is the author of an article in "Philosophy Now" magazine called "The Simulated Universe."
The future of farming may be up in the air -- literally. Microbiologist Dickson Despommier's concept of skyscraper farming has excited scientists, architects and politicians. Could multi-story farms solve the global hunger problem?
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