yawn

Interesting facts about the brain
Does big brain make you smarter? The blind hear better hearing ordinary people? There are many surprising secrets about the human brain that we are not yet aware of.
Yawn and sympathy
The next time you yawn, try looking around to see if the yawn virus spreads to anyone? Research results of the University of Pisa (Italy) show that relatives and close friends are
Let's yawn!
Why do we yawn? Why is yawning spread when someone starts? And why the yawning spread is not limited to the same species. Scientists try to give some explanation.
Dogs are infected with 'disease' yawning from people
If you have to wait for the doctor for many hours in the clinic, you must have yawned at least once. Many people know yawning is a sign of fatigue, but few people think it can
Yawning helps people become more alert
We often think that yawning is a sign of depression or sleepiness, but a new study shows that this action is good for your health, helping you to be more alert by cooling your