You are not using a standards compliant browser. Because of this you may notice minor glitches in the rendering of this page. Please upgrade to a compliant browser for optimal viewing:
Firefox Internet Explorer 7 Safari (Mac and PC)
Fossil Rodents With Supertough Teeth Found Two new species of prehistoric rodents found in central Chile may have lived in the world's earliest grassland, scientists say.
Source: National Geographic News Posted on:
Friday, Aug 03, 2012, 7:35am Views: 64