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The original was posted on /r/science by /u/Wagamaga on 2025-02-27 18:16:53+00:00.

Original Title: Discovery Reveals How a Human Brain Turned to Glass in the Ancient Eruption of Mount Vesuvius. As the body rapidly reached over 510° C, the skull and spine protected the brain from a complete thermal breakdown, allowing a unique glass to form with the rapid cooling.