Contagious yawning is a widespread phenomenon in which the perception of another individual’s yawn triggers a yawn in the observer. Although yawning itself serves thermoregulatory and arousal ...

Yawning is considered a social behavior. While fetuses were known to yawn, scientists weren't sure if it was a self-contained ...

Chimpanzees are more likely to engage in play or groom each other if they see others performing these social behaviors first, researchers report. Chimpanzees are more likely to engage in play or groom ...

A mother's yawn may set off her unborn baby, too. (Westend61/Getty Images) Yawning is contagious. You've probably got one ...

While watching a group of captive chimpanzees for her graduate research, Ena Onishi noticed something odd about the primates. "They seemed to have a tendency to urinate around the same time," said ...

I don't know if it was due to watching that mouse scratch, but my head was itchy nearing the end of the video and required scratching. I'm usually able to suppress contagious yawns, though. I read ...

It is becoming increasingly normal to hear about fraud, lies, and less than ethical behavior in all walks of life. Everyday new politicians, business leaders, and athletes are added to lists of the ...

Chimpanzees are more likely to engage in play or groom each other if they see others performing these social behaviors first, Georgia Sandars and colleagues at Durham University, U.K. report in a ...