Scientists Have Found a New Way to Create Mice

Sex is the most reliable way to produce a baby, obviously, but it’s not exactly efficient or effective. Infertility is common, the window for pregnancy is small and so many things can go wrong as an embryo develops. That's why so many scientists are trying to find ways to create embryos that don’t rely on the traditional fertilization method—and one group of researchers appears to have come upon something groundbreaking—at least for mice.