Yawning is a complex reflex that may be triggered by changes in state of being, but its purpose is still unknown.

Is it a result of oxygen deprivation in the brain or simply a reflexive action? Learn more about the causes and triggers of ...

Much like a computer, the study shows that our brains operate more efficiently when they are cool; yawning is an effective way of increasing blood flow and intake of cooler air.

Some of the research into why yawning happens has pointed at its ability to cool the brain, with one study suggesting that people yawn more during winter than in summer, when the air outside is ...

To test what's happening in the brain during the phenomenon, scientists monitored 36 volunteers while they watched others yawning. In the study, published in the journal Current Biology ...

TSU--Dolphins yawn, even in the wild seas, a study showed. A group of researchers with Mie University here analyzed 1,816 hours of video recordings and spotted free-ranging Indo-Pacific bottlenose ...

Are you yawning yet? Thought so. Infectious yawns are as frustrating as they are intriguing. Sometimes it's enough to need to see someone yawn, hear them talk about it or even read about it for ...