Researchers combined ancient climate data with modeling of modern habitats to identify fanged offenders ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ In this 3000-year-old illustration, the “solar cat” slays the serpent of darkness in the Papyrus of Ani, also known as the Book of the Dead, demonstrating the key role snakes played in ancient Egypt.CHARLES WALKER COLLECTION/ALAMY ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ If a snakebitten patient stumbled into an Egyptian physician’s office some 2500 years ago, the doctor might have reached for a papyrus scroll describing 34 snakes and their bites in hieratic script used by ancient Egyptians, with advice on how to treat them. This ancient manual is considered...