There's a big debate among ecologists right now over whether we can have hope in the face of climate change. Science writer Emma Marris says we need it. And it’s not just newspaper headlines and environmental campaigns that need to change, we need to rethink “nature.”
Intelligent. Optimistic. Curious.
Audio
Master gardener Michael Pollan talks about his youthful experiment with growing marijuana and explains how the war on drugs spurred growers into developing a stronger, hardier plant.
Peter Cordani is CEO of Dyn-O-Mat. He invents things. Like Dyn-O-Storm - a polymer gel that can be sprayed on clouds to make them go away.
Nicholas Shakespeare tells Steve Paulson that Chatwin was a man of mystery and paradox who was willing to toy with the strictly factual to preserve an emotional truth. We also hear travel writer Paul Theroux comment on Chatwin, a long-time friend.
Milwaukee computer programmer Mohan Embar describes competing for -- and winning -- the 2012 Loebner Prize for Artificial Intelligence. His chat bot, Chip Vivant, was the most "human computer" of the year. But it still couldn't pass the Turing Test.
Piri Thomas is best known for his classic memoir “Down These Mean Streets.” Now in his mid-70's, Thomas is still active as an educator and activist with juvenile offenders.
Joel Hirschorn thinks urban sprawl is a terrible idea and tells Steve Paulson all the reasons why.
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