Biology news

Whales as ecosystem engineers

"Consider the subtleness of the sea; how its most dreaded creatures glide under water, unapparent for the most part," wrote Herman Melville in Moby Dick. Today, we no longer dread whales, but their subtlety ...

Jul 03, 2014 3.9 / 5 (8) 0

Arm swinging reduces the metabolic cost of running

Have you ever tried running without swinging your arms? It's not easy. Each step jars and it feels like hard work: but is it? Christopher Arellano, from Brown University, USA, says, 'We know from the literature ...

Jul 18, 2014 3.9 / 5 (7) 1