New Evidence Supports Snowball Earth as Trigger for Early Animal Evolution

New Evidence Supports Snowball Earth as Trigger for Early Animal Evolution
Wed, 27 Oct 2010 12:14:00 -0500

Biogeochemists have found new evidence linking "Snowball Earth" glacial events to the rise of early animals. The research was funded by the National Science Foundation (NSF).

Study results appear in this week's issue of the journal Nature.

The controversial Snowball Earth hypothesis posits that, on several occasions, the Earth was covered from pole to pole by a thick sheet of ice lasting for millions of years.

These glaciations, the most severe in Earth ...

More at http://www.nsf.gov/news/news_summ.jsp?cntn_id=117908&WT.mc_id=USNSF_51&WT.mc_ev=click

This is an NSF News item.

This e-mail update was generated automatically based on your subscription to the category listed above. Some updates may belong to more than one category, resulting in duplicate messages.

	Subscriber Services: Manage Preferences  |  Unsubscribe  |  Help  |  Contact NSF
	Follow NSF:

GovDelivery, Inc. sending on behalf of the National Science Foundation · 4201 Wilson Boulevard · Arlington, VA 22230 · 703-292-5111