Evolution

Whale sex: It's all in the hips

(Phys.org) —Both whales and dolphins have pelvic (hip) bones, evolutionary remnants from when their ancestors walked on land more than 40 million years ago. Common wisdom has long held that those bones ...

Sep 08, 2014 4.8 / 5 (13) 8

Nothing to see here

(Phys.org) —"Blend in" appears to be the mantra for male Bahamas mosquitofish that live near predators. After all, fish with brighter, more colorful fins or patches are more conspicuous – and standing ...

Nov 11, 2013 5 / 5 (1) 0 | with audio podcast

From dark hearts comes the kindness of mankind

The kindness of mankind most likely developed from our more sinister and self-serving tendencies, according to Princeton University and University of Arizona research that suggests society's rules against selfishness are ...

Jan 22, 2013 3 / 5 (5) 3 | with audio podcast