At least one study suggests that yawning, especially psychological "contagious"
yawning, may have developed as a way of ...
Mar 16, 2014 ... Does looking at this image of a person yawning make you yawn? About half of
adults yawn after someone else yawns due to a universal ...
Update (Jan 2016): I wrote this answer several years ago. Though it currently has
accumulated .... Over a minute one yawn causes maybe 25% of extra ventilation.
In general it can't meaningfully affect brain temperature: Lets assume a human ...
Jun 28, 2013 ... Mimicry is likely at the heart of why yawning is contagious. This is ... They open
wide and yawn and a good yawn makes them happy as a clam.
Jul 8, 2016 ... Contagious yawning — or yawning when you see someone else do it ...
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Dec 15, 2011 ... People yawn more in response to other yawns when they're around those they
care about most, a new study shows. ... So-called contagious yawning is a type of
psychological effect that .... Mars Storm Chaser About to Make.
Oct 2, 2015 ... What makes that happen, not only when we see it from other humans but even
other species? It is a phenomenon called contagious yawning ...
Dec 10, 2014 ... Can you make it through this post without yawning? ... Keep reading to discover
why exactly we yawn and why it is a seemingly contagious ...
Jul 5, 2007 ... But why does seeing someone else yawn make you to do the same? Yawning is
an involuntary action that everyone does. We start before we ...
Aug 15, 2015 ... ... have, the less chance they will be affected by 'contagious yawning' which ...
Don't ban your kids from technology, but make sure they use it to ...