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Why do we yawn when someone else yawns?
Yawning is a familiar gesture. It often appears when one is tired or when changing states of alertness, for example at the moment of falling asleep or waking up. However, it has a unique aspect: ...
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3 brilliant minutes: Why we yawn
GREEN BAY, Wis. (WBAY) - Yawning is an interesting thing. People do it. Pets do it. Wild birds do it. Yawns are contagious: You’ll probably yawn if you see someone else do it. You might even yawn just ...
Yawning isn’t just a deep breath indicating tiredness or boredom, but a process that reorganises the flow of fluids out of the brain, according to MRI scans that also suggest we each yawn in a ...
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