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)

Virgin births are not just a by-product of captivity. (p. 16)

Larvae respond to mate-attracting pheromones, raising evolutionary questions about what a very grown-up chemical signal could mean to them. (p. 17)

Computer tests of solitary species reveal animals’ ability to learn concepts. (p. 14)

Unexpectedly poor results on crustacean eye exams suggest there’s another way to perceive color. (p. 11)

Just blowing air through a pachyderm’s larynx produces fundamental elements of the mysterious rumblings that send messages too low for people to hear. (p. 11)

Age intensifies likelihood of workers turning into tiny suicide bombers.