lunedì 24 febbraio 2014

NYT Science: Clues to a Very Old Extinction and Why Calicos Look That Way

Clues to a Very Old Extinction and Why Calicos Look That Way
By DOUGLAS QUENQUA

Science and health news from the past week, including a mass extinction 252 million years ago, vaccines and pizzas that don’t spoil and clues to a cat’s signature coat.

Published: February 25, 2014 at 5:00AM

via NYT Science http://nyti.ms/1eqECrm