JACKSON, MISSISSIPPI—According to an Atlas Obscura report, a “porcelain gallbladder” has been identified among a woman's 100-year-old bones exhumed from the cemetery at the site of the Mississippi State Lunatic Asylum, which operated from 1855 to 1935. A porcelain gallbladder forms through calcium build-up in the wall of the organ, which causes it to harden. Upon initial examination during the course of excavations, researchers did not know what the object, which was approximat