Explorations – December 9, 2003

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Guest David Grinspoon, author of Lonely Planets : The Natural Philosophy of Alien Life. Also: Russia may refuse to sign Kyoto protocols – could kill protocols; GAO says 42 Nuclear Power Plants lack funds to decommission when leases run out; A return to the Moon? Bush expected to make major announcement; Study finds health benefits of oranges; Gravity Waves in outer space.