Naïve chimpanzees are able to spontaneously use tools in order to excavate underground food, according to a new study, published in the journal PLoS ONE....
Why share when access to benefits is uncertain is crucial to our understanding of the evolution of cooperation in human societies. In a study published...
According to a team of scientists headed by Dr Jill Pruetz of Iowa State University, female West African chimpanzees (Pan troglodytes ssp. verus) hunt...