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 ...

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 ...

When ya gotta go, ya gotta go, and if it sometimes seems like the urge to pee seems more pressing when others nearby are letting loose—well, there’s now a bit of science to back that up. It turns out ...

Friendly behavior is "contagious" among chimpanzees, according to a new study. The primates are more likely to groom or play with each other if they see others do it first, say scientists. They ...

Contagious yawning is a widespread phenomenon that extends beyond merely being a sign of drowsiness; it is a behaviour interwoven with both physiological regulation and social communication. Recent ...

Hate waiting in line for the bathroom? Chimpanzees have a social solution: Go all at once. A new study shows that peeing is contagious in chimpanzees, making it “the first study to investigate ...

What happens to animals when their friends are stressed? Is it possible to document the spread of stress within groups of birds? Animal habitats are currently changing extremely rapidly and ...

Aggression can be contagious, suggests new research. People who repeatedly observe aggressive behavior have a higher likelihood of engaging in violent behavior themselves, scientists say. Researchers ...

Chimpanzees can “catch” yawns from an android robot imitating human facial expressions, according to a new study that raises more questions about the evolutionary origins of the behaviour. Yawning is ...

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