07 Apr '11, 1pm

(The answer will surprise you) Chimpanzee study reveals why yawning is contagious via @GreenSmith

(The answer will surprise you) Chimpanzee study reveals why yawning is contagious via @GreenSmith

Although a similar study has yet to be performed on humans, researchers believe other research already hints at comparable results. For instance, scientists have identified certain parts of the brain that are activated both when someone experiences pain and when they see someone else experiencing pain. In these experiments, the subjects tended to show more sensitivity toward members of the same social group, much in the same way that the chimpanzees did with the yawning.

Full article: http://www.mnn.com/earth-matters/animals/stories/chimpanz...

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