Environmental: Ecosystems
Published

Cold climates contributed to the extinction of the Neanderthals      (via sciencedaily.com)     Original source 

Climate change may have played a more important role in the extinction of Neanderthals than previously believed, according to a new study.

Environmental: Ecosystems
Published

When cozying up with would-be predators, cleaner shrimp follow a dependable script      (via sciencedaily.com)     Original source 

It's a mystery how cleaner shrimp partner with would-be fish predators -- sometimes even climbing in their mouths -- without getting eaten. A new study reveals how the shrimp convinces fish not to eat them, and the fish conveys that it's a friend and not a foe.