A deadly ash cloud preserved the man's brain as glass for thousands of years.
A rare sequence of heating and cooling triggered the chain of chemical reactions that turn organic material into glass.
Archaeologists Stunned After Finding Human Skulls Nailed To The Wall From 2,500-year-old Iron-age Site Throughout several ...
The eruption of Mount Vesuvius 2,000 years ago turned a victim’s brain tissue into glass. Scientists say they have figured ...