Chimpanzees use sex tools

(PhysOrg.com) -- Many animals are known to use tools, but chimpanzees (our closest living relatives) show the most varied and complex use of tools, and the males in one group of chimps have even been observed using sex tools ...

Great apes know they could be wrong

orangutans, chimpanzees, bonobos and gorillas - realize that they can be wrong when making choices, according to Dr. Josep Call from the Max Planck Institute for Evolutionary Anthropology in Leipzig, Germany. Dr. Call's study ...

Humans were once an endangered species

(PhysOrg.com) -- Scientists from the University of Utah in Salt Lake City in the U.S. have calculated that 1.2 million years ago, at a time when our ancestors were spreading through Africa, Europe and Asia, there were probably ...

Chimp and human Y chromosomes evolving faster than expected

(PhysOrg.com) -- Contrary to a widely held scientific theory that the mammalian Y chromosome is slowly decaying or stagnating, new evidence suggests that in fact the Y is actually evolving quite rapidly through continuous, ...

New evidence of culture in wild chimpanzees

A new study of chimpanzees living in the wild adds to evidence that our closest primate relatives have cultural differences, too. The study, reported online on October 22nd in Current Biology shows that neighboring chimpanzee ...

Yawning toons make an ape gape

Computer animations of yawning chimpanzees provoke the same irresistible grins in real chimps, according to an unusual study released Wednesday.

New evidence: AIDS-like disease in wild chimpanzees

An international consortium has found that wild chimpanzees naturally infected with Simian Immunodeficiency Viruses (SIV) - long thought to be harmless to the apes - can contract an AIDS-like syndrome and die as a result. ...

Necessity is the mother of invention for clever birds (w/Videos)

Researchers at the Universities of Cambridge and Queen Mary, University of London have found that rooks, a member of the crow family, are capable of using and making tools, modifying them to make them work and using two tools ...

New analysis shows 'hobbits' couldn't hustle

A detailed analysis of the feet of Homo floresiensis—the miniature hominins who lived on a remote island in eastern Indonesia until 18,000 years ago -- may help settle a question hotly debated among paleontologists: how ...

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