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

Extinctions reduces speciation

The same factors that increase the risk of species extinctions also reduce the chance that new species are formed. This is concluded by two biologists at Umeå University. Their findings are published in ...

Apr 04, 2014 3.8 / 5 (5) 1

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