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 ...

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 ...

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 ...

Scientists suspect that contagious urination, a behavior they observed among a troop of apes in Japan, may play an important role in primate social life. By Annie Roth Ena Onishi, a doctoral student ...

Breakthroughs, discoveries, and DIY tips sent six days a week. Terms of Service and Privacy Policy. For chimpanzees, the need to pee appears to be contagious. A study ...

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 ...

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 ...

A new study reported in the Cell Press journal Current Biology on January 20 is the first to describe a phenomenon researchers refer to as “contagious urinations.” The study in 20 captive chimpanzees ...