Most of us are familiar with yawn contagion, which is the act of spontaneous yawning when someone nearby yawns, often but not always audibly. For humans, yawning can emanate from fatigue or boredom, ...

How come yawns are so contagious? asks Danielle Sinacori, a student from Wantagh. Monkey see, monkey do? Just watch as someone's head tilts back, mouth drops open, eyes squint, and forehead furrows.

Someone across the room yawns—and before you know it, you're yawning too. It's one of the most common human experiences, yet ...

Since antiquity, we’ve pondered the purpose behind the yawn, and developed a plethora of both social and scientific theories. A new study analyzing the CT scans of people yawning discovered that this ...

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 ...

This article was published in Scientific American’s former blog network and reflects the views of the author, not necessarily those of Scientific American When is a yawn just a yawn? When is a yawn ...