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This voice experience is generated by AI. Learn more. This voice experience is generated by AI. Learn more. It’s ancient, unstoppable and strangely contagious. Here’s what science now knows about the ...

The most scientifically backed theory about why we yawn is brain temperature regulation. Inhaling air can help cool brain temperature down. Even thinking about yawning can cause you to do it. It’s ...

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 ...

After a hearty lunch at work, you and your co-workers go into a meeting. First one colleague starts to yawn, then a second and finally it’s your turn. Many biological explanations have been put ...