text: GM  #39;marathon #39; mice break distance records Mice which can run almost twice the distance of normal mice have been genetically engineered by US scientists.  quot;This is the first animal engineered for increased endurance, quot; says Ronald Evans of the Salk Institute 
inputs: GM  #39;marathon #39; mice break distance records Mice which can run almost twice the distance of normal mice have been genetically engineered by US scientists.  quot;This is the first animal engineered for increased endurance, quot; says Ronald Evans of the Salk Institute 