Sig files signify status. The sig file tells where you stand. The sig file is also a killer business strategy. But if there were, it would surely be awarded to the unassuming lab mouse. Last year, the distinguished British scientific journal Nature concluded that 17 Nobel Prizes have been awarded for research in which a lab mouse was indispensable.
Mice have the same systems as humans, all the same little organs, plus a couple more.
They get the same diseases for the same reasons. The lab mouse has a long history. Clarence Cook Little was an undergraduate at Harvard College when he started breeding mice in his dorm room as a way of testing his theory that some kinds of cancer might be hereditary. Little became president of the University of Maine, and then the University of Michigan. Hudson Motorcar Co. Since then, the mouse has helped discover penicillin.