In 1893, a German scientist made a striking discovery: Cells from a fetus hide out in a mother's body after birth. Scientists say these cells alter the risk of breast cancer and autoimmune diseases.
Presidential candidates Hillary Clinton, Bernie Sanders and Martin O'Malley appear with Iowa Democratic Party Chair Andy McGuire (second from left) at Saturday's Jefferson-Jackson Dinner in Des Moines.
Scott Olson/Getty Images
hide caption
Kim Johnson of Ridgefield, Conn., says her 2014 Jetta lost more than $1,000 in value because, once fixed, it will no longer get the advertised mileage.
Charles Lane/WSHU
hide caption
