Why is it that no matter how many experiments are conducted, no matter how much money is spent or government grants given, the only species that seems to benefit from experimentation on diseases is ...rats. I guess mice count too but lets be honest, as far as a species goes they're both in the running for least admired living creature so whats the dif? Never the less we are always hearing about some new breakthrough that is going to cure the world of diabetees, obesity, aids, or some other disease that none of us new existed in the first place. ...   more »