Mouse has no fear of cats?


Tokyo University unveiled mice that do not fear cats and other predators. This doesn't seem very useful to the mice. But I imagine a few cats would like to meet these special mice.

The mice had receptors in their brains altered. These receptors process information about smells that would normally make the mouse panic and run. This experiment confirms what we've known for centuries, fear is connected to smell. But I find it interesting that the mouse gets frightened when it hears the cat meow. That proves to me that fear is connected to more than just one of the senses. I'm not sure why this experiment needed to be done. Didn't we already know this?


Everyone is talking about the mouse who has been genetically altered to not fear cats. But what amazes me is not so much the mouse, but the cats. I'd like to know has the cat also been genetically altered to not hunt mice? Why hasn’t the cat eaten that fearless mouse yet? I've never seen cats this docile! Especially when there is something like a real mouse to play with.

Genetically altered or not, that mouse wouldn’t last ten minutes around my cat, Neo.


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