The parasympathetic nervous system (PSNS) is one of two major divisions of the larger autonomic system in your body. Its function is to keep the basic functions of your body working as they should.
Chameleons' wandering eyes have fascinated and puzzled scientists since the days of ancient Greece. Now, after millennia of ...
New technology is changing the way we think about the human brain. Miles o'Brien gives us a personal look at how rewiring the mind with the aid of machines is transforming the lives of those with ...
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