The mouse in the back here is an ordinary rodent -- watch how quickly he conks out. The mouse in front has been genetically engineered to produce high levels of an important skeletal enzyme. Read Farhad Manjoo's post in Machinist.
One mouse can't stop running
Watch the genetically engineered mighty mouse in action.
By Salon Staff
Published November 2, 2007 6:32PM (EDT)
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