Like what you see? Join Insider on Nov. 30 for our best deal on an annual membership ever: $19.99 and we give you a $20 Amazon.com Gift Card (while supplies last).
WCPO Insider is a membership bringing you closer to the city you love. As an Insider you receive rewards, stories and access to new experiences across your community.
File photo of a chimpanzee. (Photo: Flickr Creative Commons)
Chimpanzees who share are chimpanzees who care, it seems.
There's more to the story when you become an Insider. WCPO Insider's membership is an additional benefit on top of everything you can get for free on WCPO.com. We created an entire digital organization dedicated to bringing you exclusive access to in-depth stories that you can’t get anywhere else, handpicked events, and incredible savings on things you love to do. To find out more click here.
BERLIN (AP) -- Chimpanzees who share are chimpanzees who care, it seems.
Scientists from Germany, Switzerland and the United States have found that chimps who share their food have higher levels of the so-called love hormone oxytocin than those who don't.
Oxytocin is a hormone previously linked to bonding between mothers and their breastfeeding babies, both in primates and humans.
Researchers studying dozens of wild chimpanzees in Uganda found that they had higher levels of the hormone after sharing food than after mutual grooming - another important bonding behavior in primates.
Roman Wittig of the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany, said the effects were observed in both the giver and the receiver of food.
The study was published Wednesday in the journal Proceedings of the Royal Society B.