Summary: to harvest stem cells, leading to outrage from pro-life groups. But a team at the University of Pittsburgh might have found more ethical alternatives in placentas saved during childbirth. The primitive cells found in the amnion were coaxed into forming a variety of cell types that look very similar to embryonic stem cells. They do not appear to be immortal, unlike true stem
Image Dimensions: 200 x 183
Image originally found here.