Dogs and wolves evolved from a common ancestor between 9,000 and 34,000 years ago, before humans transitioned to agricultural societies, according to an analysis of modern dog and wolf genomes from areas of the world thought to be centers of dog domestication.
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/9...
Fuente : http://feeds.sciencedaily.com/~r/sciencedaily/~3/9...



Tendencias Científicas
La prevención del VIH no llega a las jóvenes sudafricanas

CIENCIA ON LINE