venerdì 24 giugno 2016

NYT Science: Scales, Feathers and Hair Have a Common Ancestor

Scales, Feathers and Hair Have a Common Ancestor
By NICHOLAS ST. FLEUR

An ancient reptilian creature was found by researchers to be the source of the spikes, plumage and fur that cover reptiles, birds and mammals.

Published: June 25, 2016 at 06:00AM

via NYT Science http://ift.tt/292AO7s