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Is it possible to yawn without closing your eyes? (part 2) 10 May 2023 · Is it possible to yawn without closing your eyes? (part 2) Our readers continue the debate about the link between yawning and closing our eyes, and raise the issue of yawning …
Why do we yawn? - New Scientist Many animals yawn but we are not entirely sure why. Perhaps it makes us more alert, reduces anxiety, or cools an overheating brain. Contagious yawning is even more mysterious but …
Why do humans show their teeth to signal friendship or mirth? 25 Aug 2021 · Grinning or baring the teeth is usually a sign of aggression in animals, so at what point did it become advantageous for humans to use this to signal friendship or mirth? Garry …
Is it possible to yawn without closing your eyes? If not, why? 22 Mar 2023 · Yes, it is possible to yawn with your eyes open if you consciously resist closing them. The tendency to close the eyes is because you get a “better” yawn if you let the facial …
Yawning shows we're just big babies - New Scientist 10 Apr 1999 · WHY do we yawn? For no reason, apparently. It's an essential part of normal lung development in unborn babies, but serves no purpose in adults, say two researchers in the …
The mystery of yawning: We all do it, but why? - New Scientist 16 Dec 2014 · Yawning is often the first thing we do when we wake up, but we also do it when we are bored, tired or anxious. It is a primitive reflex that we share with other animals, from fish to …
Empathetic budgies yawn when they see their peers do the same 28 May 2015 · They found that, when budgies could see each other, they were around three times as likely to yawn within five minutes of a yawn from their neighbour.
The Big Yawn - New Scientist 19 Dec 1998 · THINK of a yawn. Your jaw tightens, your nostrils flare and you suck in a great lungful of air as your mouth stretches open wide. If it's a good yawn, you'll hold that pose until …
Why does stretching and yawning after waking up feel so pleasant? 9 Feb 2022 · London, UK The stretching you do after waking isn’t really stretching. It is a process involving the nervous system called pandiculation. Yawning is also pandiculation. The process …
Science questions | Page 2 | New Scientist Science questions What came first, the chicken or the egg? Where is the coldest place on Earth? Has anyone ever died in space? Get answers to your burning science questions on our …