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Posted by jhawks on 27 May 2009 at 04:02 GMT

I commented on this paper on my weblog:

I think it's an important contribution. Here's an excerpt:

<blockquote>The paper is stronger than many that have tried to make a similar argument -- that climate couldn't have killed various extinct megafauna. In large part, that is because both the American megafaunal disappearances and the entry and growth of human populations coincided with a period of rapid climate change. In the time frame of the last Neandertals, there were important climate changes, but the paleoclimate models indicate that these changes weren't enough to make Europe uninhabitable for either humans or Neandertals.</blockquote>

No competing interests declared.