91É«Ç鯬Human placentas are full of mutated cells dumped by the embryo The genetic history of individual placentas suggests that they can tolerate cancer-like mutations and act as a place for the developing embryo to shunt abnormal cells News
91É«Ç鯬Babies are more likely to be conceived in autumn but we don’t know why In the northern hemisphere, babies are most likely to be conceived in winter and least likely to be conceived in spring, according to an analysis of 14,000 women News