Yawning is very common in humans. It is usually associated with sleep, tiredness or boredom. However, there is much more to ...

Teachers might have told you off for doing it, and your parents used it to try to get you to go to bed earlier. It’s rude to do it in a meeting, and seeing someone else doing it (even if they cover ...

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 ...

Why are people judged negatively for walking faster or slower than the pedestrians around them? Why is creativity viewed as sexier than intelligence? Why do dads joke about harming boys who have a ...

From a baby to an adult, and even animals, yawning is one of those things that most of us do multiple times a day, especially ...

Humans aren't alone when it comes to yawning — all vertebrates do it too, including fish, amphibians, reptiles, birds and mammals. But why? The "evolutionarily ancient" act of yawning likely serves a ...

The first exercise we look at is yawning. Yawning ina natural phenomenon involving a neuronal reflex, physical exercise of the respiratory tract, forced changes in the brain and body circulations of ...

Researchers believe the yawning robot may have triggered some biological mechanism in the chimps that they associated with sleep. Image: Popular Science composite, Getty Images/ RMJM, Aline ...