News Source: Uinta County News
| about 1 year ago
Humans are well known for their ability to exchange helpful acts, and keep track of social favours over long periods of time. However, there is ongoing debate over whether non-human primates can keep track of previous interactions and, if so, if they...
News Source: Androscoggin News
| about 1 year ago
Chimpanzees have at least one thing in common with the late US president Richard Nixon: tracking those who do them favours and putting those who don't come up to scratch on an "enemies list". Nearly 3000 hours of observations of wild chimpanzees show...