IVF offers hope to save endangered northern white rhino from going extinct

The northern white rhino is the world’s most critically-endangered animal. This month, scientists attempted to save them from extinction and made a big step toward that goal. It took 13 tries, but they managed to impregnate a rhino using in-vitro fertilization. As Heidi Petracek explains, what happens next will determine the fate of the northern white rhino.