6 mayo 2015
Marine scientists have long known that some species of fish possess a unique physiological characteristic — a web of arteries and veins lying very close together — that enables them to raise their internal temperatures higher than that of the water surrounding them. Now, a new study has demonstrated that species possessing the ability to warm their core — a process called endothermy — are able to swim two and a half times faster than those whose body temperature doesn’t change.
http://feeds.sciencedaily.com/~r/sciencedaily/~3/IhSFtsJ_e4c/150506164355.htm
