A comet impact didn't set off a 1,300-year cold snap that wiped out most life in North America about 12,900 years ago, scientists say. Though no one...
Tuesday, February 17th, 2009 - 09:55:23 - Ehud Rattner
You might assume that being "cold blooded" would offer some protection against global warming. In fact, ectothermic species in hot countries could be...
