Genetic switches play big role in human evolution

(Phys.org) —A Cornell study offers further proof that the divergence of humans from chimpanzees some 4 million to 6 million years ago was profoundly influenced by mutations to DNA sequences that play roles in turning genes ...

New technologies challenge old ideas about early hominid diets

New assessments by researchers using the latest high-tech tools to study the diets of early hominids are challenging long-held assumptions about what our ancestors ate, says a study by the University of Colorado Boulder and ...

'Grass-in-the-ear' technique sets new trend in chimp etiquette

Chimpanzees are copycats and, in the process, they form new traditions that are often particular to only one specific group of these primates. Such are the findings of an international group of scientists, who waded through ...

Glimpses of fatherhood found in non-pair-bonding chimps

Although they have no way of identifying their biological fathers, male chimpanzees form intimate bonds with them, a finding that questions the idea of fatherhood in some of humanity's closest relatives, according to a study ...

Oxytocin enhances social affiliation in chimpanzee groups

The high costs of individuals going to war is perplexing. Individuals are willing to suffer costs in order to benefit their own group, through cooperating and supporting their fellow group members and acting with hostility ...

How chimps deal with death: Studies offer rare glimpses

Two studies in the April 27th issue of Current Biology offer rare glimpses into the ways that chimpanzees deal with the deaths of those closest to them. In one case, researchers describe the final hours and moment of death ...

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