Reuters/SRF A well-preserved mummy in Basel, Switzerland, has long been a mystery. New analysis has found her identity: Anna Catharina Bischoff, an 18th-century clergyman’s wife, and distant ancestor of UK Foreign Secretary Boris Johnson. She’s his great-great-great-great-great-great-great grandmother. Her body is so well-preserved because of mercury used to treat her syphilis. A mummy whose corpse […]