Scientists Discover Mysterious Ancient Human Brain Turned to Glass by Mount Vesuvius

A rare organic glass was found inside a skull from Herculaneum’s 79 CE Vesuvius eruption. Researchers determined that a super-heated ash cloud briefly raised the brain’s temperature above 510°C, then cooled rapidly, forming the glass. A unique, dark-colored organic glass found inside the skull of an individual who died in Herculaneum during the 79 CE [...]