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?
Intelligent. Optimistic. Curious.
Audio
"Independent People" by Halldór Laxness reviewed by author David Mitchell ("Cloud Atlas")
Dean Hamer says that human beings are hard-wired for belief and are genetically pre-disposed to reach beyond their own limitations.
David Gessner wants to change the way people write about nature. Instead of the traditional stories about wild animals in pristine landscapes, he calls for a style of nature writing that's messy, even raucous.
Dr. Bill Bass is a forensic anthropologist and founder of The Body Farm at the University of Tennessee. It’s the one place in the world devoted to the study of human decomposition.
Dalton Conley grew up in the housing projects of New York's lower East Side. But he went to school in a wealthy white neighborhood.
Brent Silby teaches philosophy in Christchurch, New Zealand and is the author of an article in "Philosophy Now" magazine called "The Simulated Universe."
A researcher stumbles on a key to rapid evolution in this story by Jeff Bauer.
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