Archives: Episodes
How did water originate on earth?
Water, water everywhere — there are a number of theories of how water got to this planet. A popular theory was that water came from vol ...
Air Date: May 10, 2010
Dr. Sylvia Earle, on the Gulf oil spill & other attacks on the oceans
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Air Date: May 10, 2010
ListenU.S. Rep. Joe Sestak, candidate for Democratic nomination for U.S. Senate
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Air Date: May 5, 2010
ListenThe next generation space telescope
Image credit: NASA A new step in observing deep space, t ...
Air Date: May 3, 2010