Science
Scientists at Kyoto University have discovered that chimpanzees, like humans experiencing contagious yawning, tend to urinate when they observe their peers doing the same. The research, published in Current Biology, reveals new insights into primate social behavior and its evolutionary significance. The study originated from observations at Kumamoto Sanctuary in Japan, where researchers noticed that captive chimpanzees appeared to urinate simultaneously. Ena Onishi from Kyoto University’s Wildlife Research Centre led the investigation, noting in Cosmos magazine, “Since there were no prior studies on contagious urination in any species, we drew parallels to contagious yawning, another semi-voluntary physiological behavior.” The research
February 03, 2025