Exploration, for January 17, 2012 - 2:00pm
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a) Astronomers find 700 planets; There are more planets than stars in the galaxy.
b) What's new in electronics: 3D TV without glasses.
Guest: David Archer, author of the disturbing book, The Long Thaw, about the next 100,000 years in climate change.
Hosted by Michio Kaku.