Why do human beings speak so many languages?

The thatched roof held back the sun's rays, but it could not keep the tropical heat at bay. As everyone at the research workshop headed outside for a break, small groups splintered off to gather in the shade of coconut trees ...

Vocal sequences of monkeys and humans follow a common pattern

A new study of geladas – a species of monkey living in the highlands of Ethiopia – has revealed that their long and complex vocal sequences follow a pattern seen in many human languages: the longer the overall sequence, ...

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