Even more complex? Why we seem to yawn because other people are yawning. Here are some fast facts on why we yawn and why yawning can be contagious – even between dogs and humans and over the phone.

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 ...

Yawning more when tired may be linked to cooling the brain, regulating oxygen, and social bonding, all of which help combat ...

We yawn when we see other people yawning, and even when the family dog swings loose his slobbery jowls to suck in some fresh ...

Yawning is sometimes associated with fatigue ... You might want to hold your nose for this one. People fart on average between 5-15 times a day, but it’s comforting to know that this sometimes ...

GOP nominee Donald Trump drew blowback on Thursday after he shared a video of Democratic rival Kamala Harris — which appeared to have been shot through the window of an aircraft, at night — yawning.