giovedì 13 marzo 2014

NYT Science: Take a Breath and Thank a Sponge

Take a Breath and Thank a Sponge
By CARL ZIMMER

This simple animal played a crucial role in the rise of the animal kingdom by re-engineering the planet with oxygen, researchers say.

Published: March 18, 2014 at 4:00AM

via NYT Science http://ift.tt/1iEgA0a