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December 3, 2008 12:53:01 PM CST


fear

fear news stories

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Genes Make Mouse That Roared

Genetically altered Mickey has no fear of cats

(Newser) - Japanese scientists have modified mouse genes to make rodents unafraid of cats in a dramatic experiment that offers insight into the origins of terror. The breakthrough shows that fear is largely genetically hardwired rather than learned through painful experience, researchers say. Some of the mice, whose nasal cells were altered by genetic engineering, even played with cats. More »

More about:  genetics genes cat experiments mouse University of Tokyo fear

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