This is a educational video about the reason of yawning and why it is contagious? Yawning bring more air to our brain and eardrums that is why when you yawn your ears pop. There is a misconception that when our body needs more energy or actually more air and oxygen yawning happen but the researches show it is not true. When we are exhausted we yawn to feel cool. In fact out brain like a computer by working become hot, inside and then we yawn to make it cool, it bring air and oxygen to our mind and feel fresh and make the brain cool.
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Tags: Video, tutorial, tech, sicence, comic, science, technology, questions, strange, show, vsacue, sacuce, sauce, Vsauce, V sauce, yawn, yanws, yawening, bor, brain, mind, cool, hot, contagiou, spread, contageous, parakeets, parakeet, oxyegen, oxygen, air, fresh, eardrum, eardrums.