Mount Vesuvius eruption ‘turned victim’s brain to glass’ (Study)

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Mount Vesuvius eruption 'turned victim's brain to glass' (Study)
Mount Vesuvius eruption 'turned victim's brain to glass' (Study)

Extreme heat from the Mount Vesuvius eruption in Italy was so immense it turned one victim’s brain into glass, a study has suggested.

Archaeologists rarely recover human brain tissue, and when they do it is normally smooth and soapy in consistency, according to an article detailing the discovery in the New England Journal of Medicine.

The eruption of Vesuvius in the year 79 instantly killed the inhabitants of Pompeii and neighbouring Herculaneum, burying an area 20 kilometres from the volcano in ash in just a few hours.

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The remains of a man lying on a wooden bed were discovered at Herculaneum, closer to Vesuvius than Pompeii, in the 1960s.

He is believed to have been the custodian of a place of worship, the Collegium Augustalium.

A team led by forensic anthropologist Pier Paolo Petrone at the Federico II University in Naples determined the victim’s brain matter had been vitrified, a process by which tissue is burned at a high heat and turned into glass, according to the study published by the New England Journal of Medicine.

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Shards of shiny black material were spotted in the remnants of the victim’s skull.

A study of the charred wood nearby indicates a maximum temperature of 520C.

“‘This suggests that extreme radiant heat was able to ignite body fat and vaporise soft tissue,” the study said.

The resulting solidified spongy mass found in the victim’s chest bones is also unique among other archaeological sites and can be compared with victims of more recent historic events like the firebombing of Dresden and Hamburg in World War II, the article said.

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The flash of extreme heat was followed by a rapid drop in temperatures, which vitrified the brain material, the authors said.

“This is the first time ever that vitrified human brain remains have been discovered resulting from heat produced by an eruption,” Herculaneum officials said.

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