Monday, February 23, 2015

Yawning - The Most Contagious Urge!

Hardly anybody can escape this contagious urge as seen in the bus example below. Once the driver initiated the passengers just followed one by one as if a natural urge to replenish the deficiency of oxygen supply to the brain was necessitated for all at the same time...

Did you just yawn after looking at this picture? :-) I did!!!

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