Monday, May 21, 2007

BBC NEWS | Science/Nature | Ice Age blast 'ravaged America'


BBC NEWS | Science/Nature | Ice Age blast 'ravaged America': "Ice Age blast 'ravaged America'
Artist's impression of a comet strike, BBC
A space rock may have exploded in the air over North America
A controversial new idea suggests that a large space rock exploded over North America 13,000 years ago"




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