Watch now (47 mins.) NOVA scienceNOW Episode 21 (July 2009) Follow a NASA satellite looking for water on the moon, see what ancient salt deposits reveal about life 250 million years ago ...
To see newer programs, go to NOVA's new beta site. A two-hour drama on the crisis that forced Darwin to publish his theory of evolution. Watch now (50 mins.) NOVA scienceNOW Episode 24 (Sep. 2009 ...
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