Nearly two thousand years after Mount Vesuvius entombed a Roman library in volcanic heat, scientists are using fire itself as a teacher — deliberately burning fresh papyrus scrolls to understand how ancient ones were damaged, and in doing so, learning to read what the eruption left behind. The Herculaneum scrolls, charred and sealed by catastrophe, have long posed an impossible choice between preservation and knowledge. Now, through controlled burns and advanced imaging, researchers are finding a third path: using the language of destruction to decode what destruction obscured. It is, in the d