"Researchers typically take tissue samples from a fetus that has been aborted (under conditions permitted by law) and grow cells from the tissue in Petri dishes

"Researchers typically take tissue samples from a fetus that has been aborted (under conditions permitted by law) and grow cells from the tissue in Petri dishes. "Many of the uses of fetal tissue — and much of the debate — are not new. "It's just that the public is finding out about it," said Insoo Hyun, associate professor of bioethics at Case Western Reserve University. http://www.cnn.com/2015/07/17/health/fetal-tissue-explainer/index.html http://www.cnn.com/2015/07/17/health/fetal-tissue-explainer/...