Sign up for CNN’s Wonder Theory science newsletter. Explore the universe with news on fascinating discoveries, scientific advancements and more . CNN  —  Scholars are decoding an ancient scroll that was one of hundreds charred to a crisp during the eruption of Mount Vesuvius in AD 79. The artifact, which is kept at the University of Oxford’s Bodleian Libraries in the United Kingdom, is the fifth intact Herculaneum scroll to be virtually unrolled as part of the Vesuvius Challenge , a competition