Imagine going on a hunting trip with your sibling or best friend, only to happen upon the body of an infant. It's a frightening prospect, but that's exactly what happened to brothers Hans and Jokum Grønvold of Ummannaq, Greenland in 1972. They immediately contacted local authorities, mistaking the child as the victim of a murder. But further analysis revealed something far different--and far older--than anyone could have imagined. Join me this week for a look at the mummies of Greenland.