NA(National Geographic) has done an incredible research on wild bears. They tested their blood and found a chemical called NST(Neuro Seudolasta Trotin-chemical very commo).When this chemical was tested with PST (Para Seudolasta Trotin) ,they showed some behaviors oh human being i.e they can walk and act like human being.Recently one test was incredibly successful and the result is in front of us. Please go thru the video attached hereby which contains the bear and its child and u will wonder how amazingly a bear can act like human being.
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Incredible research by National Geographic 
