Japan Scientists Develop Fearless Mice

(AP) -- Cat and mouse may never be the same. Japanese scientists say they've used genetic engineering to create mice that show no fear of felines, a development that may shed new light on mammal behavior and the nature of fear itself.

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<p><a href="http://www.physorg.com/news116739098.html">Japan Scientists Develop Fearless Mice</a></p> <p>(AP) -- Cat and mouse may never be the same. Japanese scientists say they've used genetic engineering to create mice that show no fear of felines, a development that may shed new light on mammal behavior and the nature of fear itself.</p>