Is it really possible to catch a yawn?
Why do we do it, anyway?
Ellen Phiddian has discovered that it’s actually pretty tricky to nail down answers to those things.
It seems that, even though it’s something that most creatures with mouths do, there aren’t that many scientists who are desperate to uncover the secrets of yawning.
But let’s explore what science does know…
Huh? Science Explained is a LiSTNR production.