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Why Parasites May Not Be All That Bad
According to one ecologist, parasites might be the most common form of life on earth. How gross is that?! Trace looks at what these little creatures are doing to our bodies, and how they may not be quite as bad as we're led to believe.
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Why Parasites May Not Be All That Bad
According to one ecologist, parasites might be the most common form of life on earth. How gross is that?! Trace looks at what these little creatures are doing to our bodies, and how they may not be quite as bad as we're led to believe.
Date: 8/1/13
Views: 2348
Video by:  Revision3
 
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