Mixing mice and men

Shock-horror when I discovered this article while following links from the site recommended in my previous post saying that they are going to implant human brain cells into a developing mouse's brain. They also discuss other animal testing such as pigs trying artificial corneas and monkeys get gene manipulations as if it were the most fun thing in the world! Sometimes I just don't like scientists! Their desire to discover things before anyone else, change the world and people's minds, which is often and mostly driven by the Ego, far outweighs the suffering that they may cause. grr....