Ever wondered why yawns are so…contagious? We obviously know what a yawn is, here's a more scientific explanation: "The activity of yawning consists of an involuntary wide opening of the mouth and ...

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 ...

Many of the videos suggest social mirroring, which happens when individuals unintentionally imitate the actions of others, along with empathy, may be why some people yawn when they see others do it ...