
About 100 years ago, a woman at Mississippi State Lunatic Asylum died with a condition so rare, it puzzled modern-day archaeologists who were excavating the asylum's unmarked graves.
But soon, thanks to help from their medical collaborators, the team determined the hard egg-shaped object in the skeletal remains of the woman's torso was a "porcelain gallbladder" — a condition never before found in an archaeological skeleton.