[meteorite-list] Asteroid Impacts May Have Boosted Evolution

From: Paul <bristolia_at_meteoritecentral.com>
Date: Fri, 4 Jan 2008 06:57:19 -0800 (PST)
Message-ID: <302327.17040.qm_at_web36214.mail.mud.yahoo.com>

Asteroid Impacts May Have Boosted Evolution By Dave Mosher
December 18, 2007

http://www.foxnews.com/story/0,2933,317375,00.html

The article stated in part:

?Space rocks are blamed for a lot of rough times on Earth,
from the die-off of most marine animals some 250 million
years ago to the disappearance of the dinosaurs 65 million
years in the past.

A new theory, however, suggests that catastrophic meteorite
impacts are linked to an explosion in biodiversity about 470
million years ago, during the Ordovician Period.?

Yours,

Paul H






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Received on Fri 04 Jan 2008 09:57:19 AM PST