Novel posture lets animal imitate sounds of human words. (p. 11)

Unexpected pattern of evolution found across hemispheres. (p. 15)

A creature known only from fossils of its teeth gets some more parts. (p. 14)

Much-debated rear wings could have given Microraptor extra help in airborne maneuvers. (p. 14)

Slime molds create a GPS navigation system based on their own gooey trails.

Finches flirt unwisely if they can only use their left eyes. (p. 11)

Recently equated with greedy financiers, Vampyroteuthis infernalis is not really all that rapacious.

Let’s take a minute to turn faces upside down. Pick any face. Ignore beards, glasses, hairdos or lack of any hair to do, and upend the facial features of Charles Darwin, Ray Charles or anyone named Charlotte who reads Science News. People who normally remember or match a face perfectly well have trouble when it is standing on its head. But before there’s a chorus of “well, obviously,” let’s try turning dogs upside down, too. Most people who don’t breed dogs or judge shows don’t recognize an individual dog nearly as well as a person’s face to begin with. And when pictures of ... (p. 20)

The mosquito-spread disease may be transmitted north of the Arctic Circle as climate shifts. (p. 9)

Survival benefits may explain females’ extended life span following menopause. (p. 16)