Why do we yawn? Scientists are still searching for the answer — Quartz
Quartz,
You know the feeling. Its impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
You know the feeling. Its impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
Y ou know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
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(Credit: Fayzulin Serg/shutterstock) A version of this article originally appeared on The Conversation.
You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…
You know the feeling. It’s impossible to resist. You just need to yawn. A yawn consists of an extended gaping of the mouth…