lunedì 21 luglio 2014

NYT Science: Mighty Little Diggers

Mighty Little Diggers
By C. CLAIBORNE RAY

Specially evolved bones and claws are some of the tools that allow animals like chipmunks and moles to dig in even rocky, root-clogged soil.

Published: July 22, 2014 at 4:00AM

via NYT Science http://ift.tt/1rjYaYO