chimpanzee

“My heavens! You have chimpanzees, and panthers, and baboons, and even a hippopotamus. Nutsawoo will be thrilled.”

A new study published in Science presents compelling evidence that chimpanzees can revise their beliefs in a rational way when they encounter new information.

These early humans are thought to have lived alongside their evolutionary ancestors: a pre-human group, called australopithecines, who had larger teeth and a mix of chimpanzee and human traits.

A world-famous sanctuary for orphaned chimpanzees in Sierra Leone has reopened to the public, ending a five-month closure in protest at the dangers of deforestation, the reserve told AFP on Monday.

Two fossils shared an amino acid sequence found in humans, chimpanzees, and gorillas, while the others had a version so far unique to Paranthropus.