News tagged with social evolution

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 ...

dateMar 27, 2013 in Social Sciences
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Competition may be reason for bigger brain

For the past 2 million years, the size of the human brain has tripled, growing much faster than other mammals. Examining the reasons for human brain expansion, University of Missouri researchers studied three ...

dateJun 22, 2009 in Evolution
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