News tagged with evolutionary origins

Smiling baby monkeys and the roots of laughter

When human and chimp infants are dozing, they sometimes show facial movements that resemble smiles. These facial expressions—called spontaneous smiles—are considered the evolutionary origin of real smiles and laughter.

dateAug 04, 2016 in Evolution
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The origins of laughter

We know the benefits of laughter on health. But why do we laugh? What are the evolutionary origins of laughter and humour? Steven Légaré has asked these questions and has made them the subject of his master's thesis, which ...

dateMar 27, 2013 in Social Sciences
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