Dog owners have all been there when walking their canine companions.  Fido sniffs the ground and maybe turns around a few times. He searches. “No, not that patch,” he seems to say. “Maybe this one. … Or over here. … Umm, maybe not.”  Then, finally, he gets into position to … well, let’s just say leave that deposit that you’ll have to pick up.  According to researchers from the Czech University of Life Sciences in Prague, the pooch might be aiming to poop along a north-south axis that lines up with the Earth’s magnetic field.

 

http://tinyurl.com/lalhmn2

 

 

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