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 ...

To help determine the most impressive and contagious yawns, the Bensons team will draw on their in-house experts to judge the entries – all based on how unique and ‘catchy’ the yawn is.

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 ...