File:MouseCat.jpg

A cat next to a mouse whose fear instinct has been genetically switched off by students of Tokyo University's Department of Biophysics and Biochemistry Graduate School of Science.

[capt.d86658cc06c14c4489a822671900ff93.correction_japan_fearless_mouse_tok102.jpg AP Photo/Ko and Reiko Kobayakawa, Tokyo University Department of Biophysics and Biochemistry Graduate School of Science, HO], Copyright © 2007 The Associated Press. All rights reserved. Copyright © 2007 Yahoo All rights reserved.