The international scientific body governing stem cell research is abandoning the absolute 14-day limit on culturing human embryos in the laboratory, putting pressure on Canada’s law prohibiting the practice.

The international scientific body governing stem cell research is abandoning the absolute 14-day limit on culturing human embryos in the laboratory, putting pressure on Canada’s law prohibiting the practice.
Last month, the federal government implemented a new ban on using fetal tissue for research — a move praised by U.S. Catholic leaders.