Yawning has an unusual and unexpected effect on the flow of fluid protecting the brain, a recent study reveals, though it's ...

Turns out your yawn is doing way more than signaling boredom or fatigue – it's actually reorganizing the flow of fluids in ...

Sleepyheads take note — a UA researcher may have helped discover the cause behind yawning. Omar Eldakar, a postdoctoral fellow in the UA Center for Insect Science, and Andrew Gallup, a postdoctoral ...

Seeing or hearing someone yawn can make you yawn. This phenomenon is not limited to humans; some animals experience contagious yawning, too. But why is yawning contagious? Brain cells called mirror ...

Is it true that we yawn when our brains are deprived of oxygen? Most of us can feel a yawn coming on. The muscles in our jaw begin to tighten, our nostrils might flare, and our eyes might tear up as ...

NORTH ADAMS — Go ahead, yawn. According to a recent study conducted by the University at Albany psychology department, yawning is not a contagious symptom of boredom or fatigue. In fact, its purpose ...

Add Yahoo as a preferred source to see more of our stories on Google. So why exactly do we yawn? And why is it nearly impossible to stifle a yawn when someone does it in front of you? Let’s find out.