The work suggests it may be because human parents and caregivers are able to keep a closer eye on human babies, while chimp mothers can curtail their children’s behavior for only as long as they can ...

A young chimp swings through the jungle canopy at the Ngogo Chimpanzee Project at Kibale National Park in Uganda. Image credit: Kevin Lee/Ngogo ...

Working across entirely different consumer categories showed the same underlying truth: Adoption patterns always trace back ...