I remember reading a piece by Robert Becker, the prominent writer of EMF and health issues, who talked of how Australian Aborigine tribes were (still are?) able to detect the Earth's geomagnetic field and travelled along certain geomagnetic patterns.
Some claim that ancient druidic tribes were also able to sense the earth's geomagnetic fields. See e.g. this sight:
http://www.ancient-wisdom.co.uk/leylines.htmMaybe certain humans still had a fading sixth sense until it finally died out.
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[hidden email], "stephen_vandevijvere" <stephen_vandevijvere@...> wrote:
>
> Sharks, paddlefishes and certain other 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.
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> 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 welldeveloped electroreceptive system.
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> You read more on this on Charles' website:
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http://www.milieuziektes.nl/Rapporten/Studie%20-%20electroreceptive%20system%20in%20animals%20and%20humans%2010%202011%20-%20kopie.pdf>