Peter Ward: Earth’s mass extinctions

0 thoughts on “Peter Ward: Earth’s mass extinctions”

Hank Roberts says:

February 8, 2009 at 12:55 pm

Finally! That’s the one from February 2008, much requested.
Why did it take a full year to make this one available??

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The Science Pundit says:

February 8, 2009 at 1:44 pm

I remember reading about this in Scientific American.

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Hank Roberts says:

February 8, 2009 at 5:33 pm

http://www.boston.com/bostonglobe/ideas/articles/2009/01/11/dark_green/?page=full

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freelunch says:

February 9, 2009 at 2:48 pm

Do they have one of Randall’s self-reported obsessiveness?

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