Why Do We Yawn? [Video]
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We’ve all probably heard a multitude of explanations about why we yawn, but what is the real reason?
In this great video, they explain the current scientific theories about why we yawn, and what it means for our body. It actually gives new meaning to the term “Hot Head.”
One of my absolute favorite YouTube channels (besides ours) is ASAP Science. They’re the ones who break down complex science questions with clever drawings. I think they’re fantastic. Make sure to check out the rest of the ASAP Science videos while you’re at it.