@Nathan6692 24 February 2021 more from that month

A good old yawn We try to stifle them in polite company and use them as a signal to head for the pillow, but yawning is a mystery to scientists. They’re still not entirely sure why we do it. One explanation is that the act of yawning helps keep our temperature at a steady level, and cools our brain down. But that remains a theory. Another mystery is why our yawns seem to be catching. How often have you found yourself yawning, even if you’re not tired, purely because someone else nearby is doing it? A 2005 study suggested this was down to our brain’s ability to empathise with those around us. Interestingly, it seems chimpanzees will also copy humans when they let out a yawn as well - but why that's happening in the first place still hasn't been pinned down in fact. #info #EverythingsInfo