Yawning seems like such a simple act, yet it holds surprising power over us. Just watching someone yawn — even a stranger — can suddenly trigger the irresistible urge to yawn yourself. Why does this ...

It’s ancient, unstoppable and strangely contagious. Here’s what science now knows about the humble yawn, and why evolution never got rid of it. You’re reading this sentence, and there’s a reasonable ...

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 ...