Archaeologists and volcanologists have proven that the eruption of Mt. Vesuvius turned a young man's brain into glass.

“It would therefore be impossible to find organic glass embedded in volcanic deposits that have reached several hundred of Celsius degrees,” wrote the study’s authors. Using X-ray analysis ...

But now they've found something new: a brain that turned into glass. In a paper published Thursday ... the first pyroclastic flow was ejected from the volcano, a turbulent mix of ash, pumice ...