Catalog Search Results
Series
Publisher
WGBH Boston Video
Pub. Date
c2009
Language
English
Description
"Nova investigates a provocative new theory that suggests the extinction of more than 34 types of large prehistoric mega-creatures, such as the saber-toothed cat and woolly mammoth, was caused not by climate change or the arrival of the first human hunters, but by the massive breakup of a comet over the Great Lakes region at the end of the last Ice Age, some 12,900 years ago." -- WGBH/Nova website.
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