Supermouse

Genetically engineered mice that can run about twenty times the distance of a regular mouse.

"An Ohio laboratory has produced genetically modified mice which 'can run five to six kilometres at a speed of 20 meters per minute on a treadmill, for up to six hours before stopping,' as well as a number of other remarkable feats. An enzyme called phosphoenolypyruvate carboxykinases (PEPCK-C) is apparently responsible

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