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.

Scientists found glass fragments inside the skull of a young man who died in Herculaneum when Mt. Vesuvius exploded in 79 CE. So they studied them to solve the mystery.

In the shadow of Mount Vesuvius, a young man lay in bed as the world around him erupted into chaos. It was AD 79, and the volcano had unleashed its fury, burying the Roman towns of Pompeii and Herculaneum under layers of ash and molten rock.