It may not be one of life's deepest mysteries, but as scientific conundrums go, it has a peculiar staying power. Why is yawning contagious?Researchers recently found that yawning isn't only catching among people; it is also among chimpanzees. No one has devised a fully convincing explanation of why.
Monday, January 22, 2007
And The Beat Goes "Yawwwnnnnnn"
Posted by alilbit at 11:19 PM
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