lunedì 31 marzo 2014

NYT Science: In Extra Rib a Harbinger of Mammoths Doom

In Extra Rib, a Harbinger of Mammoth’s Doom
By SINDYA N. BHANOO

The superfluous bone, seen in fossil samples, was a sign of inbreeding and harsh conditions during pregnancy.

Published: April 1, 2014 at 4:00AM

via NYT Science http://ift.tt/1pzZ9lB