Competent chimpanzee nutcrackers

Humans consider themselves as the tool user par excellence. Previous work comparing human tool use skills to that of other species tended to place the animals in artificial conditions far removed from their natural environments. ...

Rhesus macaque moms 'go gaga' for baby, too

The intense exchanges that human mothers share with their newborn infants may have some pretty deep roots, suggests a study of rhesus macaques reported online on October 8th in Current Biology.

Puppies don't pick up on yawns

Do you get tired when others yawn? Does your dog get tired when you yawn? New research from Lund University establishes that dogs catch yawns from humans. But not if the dogs are too young. The study, published in Springer's ...

Good news for Republic of Congo chimpanzees

The Republic of Congo has formally expanded Nouabale-Ndoki National Park to protect an increasingly rare treasure: one of Africa's most pristine forests and a population of "naïve" chimpanzees with so little exposure ...

Chimps with higher-ranking moms do better in fights

For chimpanzees, just like humans, teasing, taunting and bullying are familiar parts of playground politics. An analysis of 12 years of observations of playground fights between young chimpanzees in East Africa finds that ...

Anthropologists study the genesis of reciprocity in food sharing

When you share your lunch with someone less fortunate or give your friend half of your dessert, does that act of generosity flow from the milk of human kindness, or is it a subconscious strategy to assure reciprocity should ...

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