This mouse is no scaredy cat

(01:20) Report

Dec. 12 - Japanese scientists create a mouse which is never afraid of its mortal enemy, the cat.

The mice have been genetically modified to get rid of certain smell receptors in their brains which react to the odours of cats. Usually mice freeze and play dead when they smell a cat, but these mutant mice just go about life as usual.

Hayley Platt reports.

Soundbites:
Ko Kobayakawa, Professor of biophysics and biochemistry at Tokyo University (speaking in Japanese with English translation).

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