The eruption of Mount Vesuvius 2,000 years ago turned a victim’s brain tissue into glass. Scientists say they have figured out how this unusual phenomenon occurred.

Researchers who examined the remains of a man whose brain was purported to have turned into glass when he was killed nearly 2,000 years ago in the volcanic eruption of Mount Vesuvius say they have

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,