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Yawn

en.wikipedia.org/wiki/Yawn

A yawn is a reflex consisting of the simultaneous inhalation of air and the stretching of the .... "We believe that contagious yawning indicates empathy. ... A 2007 study found that young child...

Why Do We Yawn and Why Is It Contagious? | Science | Smithsonian

www.smithsonianmag.com/science-nature/why-do-we-yawn-and-why-is-it-contagious-3749674/

Jun 28, 2013 ... Pinpointing exactly why we yawn is a tough task, but the latest research suggests that our sleepy sighs help to regulate the temperature of our ...

Why Do We Yawn, Hiccup and Get Goosebumps? - Health ...

health.clevelandclinic.org/2015/01/why-do-we-yawn-hiccup-and-get-goosebumps/

Jan 22, 2015 ... Throughout the ages, people have wondered and invented explanations – some reasonable and some quite far-fetched – as to why we yawn, ...

Why We Yawn - WebMD

www.webmd.com/brain/news/20110923/why-we-yawn

Sep 23, 2011 ... 23, 2011-- Why do we yawn? All humans yawn. So do most vertebrate animals. Surely it serves some useful function. But what that might be ...

Why Do We Yawn? | IFLScience

www.iflscience.com/health-and-medicine/why-do-we-yawn/

May 7, 2014 ... We yawn when we're sleepy or bored or if we see someone else yawn. Some people also yawn when they're anticipating something important ...

The Real Reason We Yawn - WSJ

www.wsj.com/articles/the-real-reason-we-yawn-1408403897

Aug 19, 2014 ... Most people yawn upon seeing someone else do it, but infants and people with autism or schizophrenia aren't so affected by this contagion ...

What makes us yawn? | HowStuffWorks

science.howstuffworks.com/life/inside-the-mind/human-brain/question572.htm

Don't misunderstand, we aren't intending to bore you, but just reading about yawning will make you do it, just as seeing or hearing someone else yawn makes  ...

Why do we yawn? - Science Questions | HighlightsKids.com

www.highlightskids.com/science-questions/why-do-we-yawn

... most important jobs appears to be to cool off the brain, which makes a lot of heat. We do yawn more when we are sleepy and brain temperature is increasing.

www.ask.com/youtube?q=Why Do We Yawn?&v=I0dQx4SNSwE
Mar 12, 2014 ... What makes yawning so contagious? Watch the 'Yawn-O-Meter': http://bit.ly/ 1qwFDrx SUBSCRIBE: http://bit.ly/10kWnZ7 Instagram and Twitter: ...
www.ask.com/youtube?q=Why Do We Yawn?&v=ew_iZTPoC3c
Apr 15, 2014 ... Let Hank explain the new thinking behind why we ... hold on ... ... ... Why do tears come out of your eyes when you yawn?. Read more.
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Why do we yawn? Nothing to do with boredom - we're just cooling ...

www.independent.co.uk

May 12, 2014 ... A new study has suggested that the reason we yawn has nothing to do with tiredness or boredom, but actually works in order to cool down our ...

BBC - Future - One of science's most baffling questions? Why we yawn

www.bbc.com

Aug 12, 2014 ... It is through experiments like these that Provine has tried to explore a millennia- old mystery: why do we yawn? We all know that tiredness, ...

Why Do I Yawn? - KidsHealth

kidshealth.org

But why, exactly, do people and animals yawn? ... Yawning, then, would be an involuntary reflex (something we can't really control) to help us control our oxygen ...