A young man's brain turned into glass during Mount Vesuvius’ 79 AD eruption. Scientists now study how extreme heat preserved ...

Snowflake obsidian is a form of volcanic glass that features white or grayish “snowflake” shapes made of embedded cristobalite. These pretty patterns are not artificially added as a cheap ...

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

Under the lamp, I suddenly saw small glassy remains glittering in the volcanic ash that filled the skull," Petrone said. "Taking one of these fragments, it had a black appearance and shiny surfaces ...

“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 ...

But, he adds, “unlike obsidian, the glassy remains were extremely ... high temperature might have resulted from super-hot volcanic gases and a few centimeters’ worth of ash, which enveloped ...

The center of the Earth is so hot that it could satisfy the entire world’s energy needs. But can scientists safely tap into ...

Volcanic eruption buried ancient Pompeii and Herculaneum Victims were preserved in sudden death in the two cities Man was exposed to heat of 510 degrees Celsius (950°F) Feb 27 (Reuters) - It was ...

"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 ...