European Tree Frog (Hyla arborea) yawning on a Bramble (Rubus sp.) bush in the forest in Noord Brabant in the Netherlands© Henk Bogaard/Shutterstock.com You know the feeling. It’s getting close to ...

Teachers might have told you off for doing it, and your parents used it to try to get you to go to bed earlier. It’s rude to do it in a meeting, and seeing someone else doing it (even if they cover ...

Humans’ first experience with yawning happens in utero, says Matthew D. Epstein, M.D., associate medical director of the Atlantic Health Sleep Centers in New Jersey. Yet, Earth-side, the ...

Have you ever noticed how one yawn can trigger a cascade of yawns in a room? Researchers uncover that this isn't just coincidence—it's linked to our brain's 'mirror system.' This remarkable instinct, ...

No one is entirely sure why we yawn — it’s one of the questions that still remains a mystery. But that hasn’t stopped scientists from having a few different theories regarding the human urge to yawn.

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, ...