New research suggests that chimps act with fairness - a sense of what another chimp is likely to regard as right and wrong - towards other chimps.

Dr Darby Proctor, from Emory University in Atlanta Georgia, explained how they had set about testing this and what they had found.

She told Today presenter Justin Webb that because of this research "we think that humans and chimpanzees share very similar behaviours".

"We think that this sense of fairness is fairly evolutionarily ancient" she said, and explained that it might have been found in human's and chimpanzee's common ancestor.

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