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Most Vertebrates -- Including Humans -- Descended from Ancestor With Sixth Sense

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Certain...aquatic vertebrates have a sixth sense: they can detect weak electrical fields in the water and use this information to detect prey, communicate and orient themselves. A study in the Oct. 11 issue of Nature Communications that caps more than 25 years of work finds that the vast majority of vertebrates - some 30,000 species of land animals (including humans) and a roughly equal number of ray-finned fishes - descended from a common ancestor that had a well-developed electroreceptive system. {Pictured is a shark - with her six senses.}

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A little background from the Encyclopedia Britann... by Christopher Rushlau on Thursday, Oct 13, 2011 at 11:57:20 AM
scientists have confirmed that humans are descenda... by GLloyd Rowsey on Thursday, Oct 13, 2011 at 3:06:24 PM
Sorry for the neologism.  Lazy of me.... by Christopher Rushlau on Thursday, Oct 13, 2011 at 2:38:39 PM