Some research suggests a small number of stem cells continue making new eggs throughout a woman's life, but we don't know much about these yet. (newscientist.com)
In addition, work may eventually be allowed on a limited number of stem cell cultures imported from other countries. (genomenewsnetwork.org)
Thus, Tomasetti and Vogelstein reasoned, the tissues that host the greatest number of stem cell divisions are those most vulnerable to cancer. (sciencemag.org)