lunedì 24 febbraio 2014

NYT Science: Out of Their Gourds Came Ours

Out of Their Gourds Came Ours
By RACHEL NUWER

The answer of how the useful plants got to the Americas has stumped scientists, until now.

Published: February 25, 2014 at 5:00AM

via NYT Science http://nyti.ms/1k5YB70