A young man’s brain turned to glass during the eruption of Mount Vesuvius. Scientists say they have figured out how - CNN

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.Sign up for CNNs Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more. Glass rarely forms naturally from organic materials. H…