BBCEarth: Why Some Cold-Blooded Animals Can Get a Fever

You might think that only warm-blooded creatures like ourselves can get a raging fever, but in fact cold-blooded beasts like fish can induce fever in themselves. Read more.

A zebrafish (Danio rerio) (Credit: Simon Colmer/naturepl.com)

A zebrafish (Danio rerio) (Credit: Simon Colmer/naturepl.com)