Definite: Asteroid got dinosaurs (Introduction)
by David Turell 
, Saturday, February 16, 2013, 18:14 (4640 days ago) @ David Turell
More on chicxulub:-http://online.wsj.com/article/SB10001424127887324880504578298022042998786.html?KEYWORDS=Matt+Ridley-Very complete discussion
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- Definite: Asteroid got dinosaurs -
David Turell,
2013-02-09, 20:59
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- Definite: Asteroid got dinosaurs - David Turell, 2013-02-16, 18:14