Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

You know the feeling. It’s getting close to bedtime, you get sleepy, and you start yawning automatically. You may even find yourself yawning in the middle of the day in a mid-day lull. These yawns ...

Chimpanzees can “catch” yawns from an android robot imitating human facial expressions, according to a new study that raises more questions about the evolutionary origins of the behaviour. Yawning is ...

Watch this sleepy tawny owl let out not one, but two adorable yawns. Perfect for wildlife enthusiasts, bird lovers, and anyone who enjoys heartwarming and cute animal moments. #wildlifephotography #Wi ...

Computer animations of yawning chimpanzees provoke the same response in real chimps, according to a new study. Contagious yawning is well known among humans, and earlier studies have shown that chimps ...