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 ...

Biochemists trap and visualize an enzyme as it becomes active

How do you capture a cellular process that transpires in the blink of an eye? Biochemists at MIT have devised a way to trap and visualize a vital enzyme at the moment it becomes active—informing drug development and revealing ...

Hibernating lemurs hint at the secrets of sleep

By studying hibernation, a Duke University team is providing a window into why humans sleep. Observations of a little-known primate called the fat-tailed dwarf lemur in captivity and the wild has revealed that it goes for ...

The face of a mouse reveals its emotions: study

Researchers at the Max Planck Institute of Neurobiology are the first to describe emotional facial expressions for mice. Similar to humans, mouse facial expressions change when it tastes something sweet or bitter, or when ...

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