giovedì 21 maggio 2015

NYT Science: Family Tree of Dogs and Wolves Is Found to Split Earlier Than Thought

Family Tree of Dogs and Wolves Is Found to Split Earlier Than Thought
By JAMES GORMAN

A bone fragment found in Siberia suggests that the ancestors of modern wolves and dogs split into different lineages between 27,000 and 40,000 years ago, scientists say.

Published: May 22, 2015 at 06:00AM

via NYT Science http://ift.tt/1eiv3m7