One of the enduring mysteries of the American Civil War
One of the enduring mysteries of the American Civil War was a little-known phenomenon referred to at the time as Angel's Glow — the glow seen on some soldiers' wounds after the Battle of Shiloh. Doctors at the time noted that soldiers whose wounds had this strange emission of light seemed to fare much better than soldiers whose wounds did not. It would take nearly 140 years to figure out why