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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
monteith
  • A large punch-bowl of the eighteenth century, usually of silver and with a movable rim, and decorated with flutings and a scalloped edge. It was also used for cooling and carrying wine-glasses.
  • A kind of cotton handkerchief having white spots on a colored ground, the spots being produced by a chemical which discharges the color.
This word is possibly named after Monteith (Monteigh), 'an eccentric 17th-century Scotsman who wore a cloak scalloped at the hem.'
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