Mount Vesuvius was so hot it turned a man’s brain into glass when it erupted, fascinating new research shows. A piece of dark glass was found in the man’s skull, who died in the Roman city Herculaneum almost 2,

Nearly 2,000 years ago, a young man lay in his bed in Herculaneum, unaware that he was about to become part of history in one of the most shocking ways. When Mount Vesuvius erupted in 79 AD, a blistering hot cloud of ash swept through the town,

It was a surprising discovery when scientists examining the remains of a man who died in bed in the ancient city of Herculaneum after Italy's Mount Vesuvius erupted in 79 AD found dark fragments resembling obsidian inside his skull.