Something to talk about at the water cooler today: Paternity tests have revealed that the twin sons of Mia Washington, a resident of Dallas, have different fathers. Sperm can survive in a woman’s body for up to five days, making “bi-paternal twins” or “superfecundation” possible. It’s not as rare as it sounds—according to SkyNews, “recent research indicates that one in 12 non-identical twins are so called bi-paternal.” Washington admitted to having an affair. "Out of all people in America and of all people in the world, it had to happen to me,” she said. “I'm very shocked."