For orangutans, laughter is contagious
It may be the highest form of flattery, but imitation is among the lowest forms of empathy. But that doesn't make it meaningless. A new study has shown that orangutans imitate each other's facial expressions, the first evidence that empathy may exist in non-humans.
The study, published in Biology Letters and led by researchers from the University of Portsmouth (in the UK) and the University of Hanover (in Germany), examined 25 orangutans in ...
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