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2008-12-25 08:30:00

Scientists have discovered that orangutans can help each other get food by trading tokens, but only if the help is mutual.It seems orangutans can learn the value of tokens and trade them, helping each other win bananas, according to researchers from the University of St Andrews.This is the first documented evidence of "calculated reciprocity" in non-human primates. Gorillas and chimpanzees were much less willing to co-operate, researchers said.In particular, two orangutans - Bim and Dok - who...


Word of the Day
omadhaun
  • A fool; a simpleton: a term of abuse common in Ireland and to a less extent in the Gaelic-speaking parts of Scotland.
This word is partly Irish in origin.