NYT :: Science

Dual Citizenship for the Woolly Mammoth

Woolly mammoths migrated to North America, then back to Siberia, according to a new scientific analysis.<br/><br/><span class="advertisement"> <a href="http://www.pheedo.com/click.phdo?x=0dc00cc08bb342eab9df15139a21258c&u=http://www.nytimes.com/2008/09/09/science/09obmamm.html"><img src="http://www.pheedo.com/img.phdo?x=0dc00cc08bb342eab9df15139a21258c&u=http://www.nytimes.com/2008/09/09/science/09obmamm.html" border="0"/></a></span>