Cezary Mackowski
Cezary Mackowski voted up Moga Deet's answer
Stem cell research is controversial because of use of embryos, why don't scientists just use animal embryos and use stem cells for those animals rather than human embryos first in research?

Because you generally can't put animal cells in people and get the same outcome.  That's why transplanted organs have to come from people.

I'm don't understand the controversy.  The embryos are donated with the parent's consent and would have been discarded anyway.  The anti-choice people don't want you to realize that anti-choice means stopping many types … Read more