A brain transmuted into glass by the famous volcano should have been impossible. Some scientists say it still is.

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A deadly ash cloud preserved the man's brain as glass for thousands of years.

Excavations have found that the brain of what seems to be a human male contained dark glass formed during the eruption of Mount Vesuvius in 79 CE. The effect can't be explained by lava temperatures ...

This unprecedented finding has left scientists astounded, rewriting the known boundaries of human tissue preservation and volcanic fury. The vitrified brain — a scientific term for tissue transformed ...

"Taking one of these fragments, it had a black appearance and shiny surfaces quite similar to obsidian, a natural glass of volcanic origin - black and shiny, whose formation is due to the very ...

“Obsidian glass, that is a volcanic glass, forms when lava is very quickly cooled, for example, where it enters into water,” Giordano added. However, the pyroclastic flows, composed of fast ...

Under the lamp, I suddenly saw small glassy remains glittering in the volcanic ash that filled the skull," Petrone said.

The obsidian-like “organic glass ... the exact conditions required for this act of volcanic alchemy. The glass couldn’t have formed when the volcano’s pyroclastic flow hit the city. This meld of rock, ...

A rare dark coloured ‘organic glass’, which was found inside the skull of an individual ... killed by a very hot – but short-lived – ash cloud which was part of the volcanic ejection. A team led by Dr ...

Scientists found glass fragments inside the skull of a young man who died in Herculaneum when Mt. Vesuvius exploded in 79 CE.