{"id":857145,"date":"2026-09-22T23:44:14","date_gmt":"2026-09-22T23:44:14","guid":{"rendered":"https:\/\/www.newsbeep.com\/us\/857145\/"},"modified":"2026-09-22T23:44:14","modified_gmt":"2026-09-22T23:44:14","slug":"how-lead-could-be-a-clue-to-deciphering-the-herculaneum-scrolls","status":"publish","type":"post","link":"https:\/\/www.newsbeep.com\/us\/857145\/","title":{"rendered":"How lead could be a clue to deciphering the Herculaneum scrolls"},"content":{"rendered":"<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmu7d2ld2000i3b6rgsqtu8i4@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Charred to a crisp during Mount Vesuvius\u2019 eruption in AD 79, hundreds of papyrus scrolls lie tucked away unread in Italy\u2019s National Library of Naples.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00023b6qeu432hui@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The majority of these carbonized artifacts, known as <a href=\"https:\/\/www.cnn.com\/2024\/02\/07\/world\/herculaneum-scroll-passages-decoded-philodemus-vesuvius-scn\" rel=\"nofollow noopener\" target=\"_blank\">the Herculaneum scrolls<\/a>, are so fragile that they can\u2019t be physically unrolled. Now, researchers and citizen scientists alike are using X-ray technology and advanced artificial intelligence to unlock the writings of ancient authors hidden within.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00033b6qxl3m7qgy@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            A new study, published September 16 in the scientific <a href=\"https:\/\/journals.plos.org\/plosone\/article?id=10.1371\/journal.pone.0353485\" target=\"_blank\" rel=\"nofollow noopener\">journal PLOS One<\/a>, may offer another clue toward this daunting goal. By re-creating the papyri with inks containing varying amounts of lead, the researchers found that X-ray imaging could more easily detect ink with lead \u2014 present in some of the ancient scrolls \u2014 than nonmetallic ink.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00043b6qnkisix3n@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            So far, only a few of the real scrolls have been virtually unrolled. The study\u2019s findings could help identify which Herculaneum scrolls are the next best candidates to noninvasively unroll and decipher, the authors suggest.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00053b6q4ohj66t3@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cThe scrolls are really just like a brick of charcoal that you buy for your barbecue. There\u2019s not a lot of difference,\u201d said lead author Douglas Seiler, a research volunteer with the <a href=\"https:\/\/news.berkeley.edu\/2026\/09\/16\/to-read-2000-year-old-burned-scrolls-scientists-burn-their-own\/\" target=\"_blank\" rel=\"nofollow noopener\">University of California, Berkeley<\/a>. \u201cIt\u2019s just carbon, and that\u2019s what the problem has been in reading these things. The ink is made from soot.\u201d\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00063b6q0cu6r3re@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            AI has difficulty picking up the ink in scrolls that have no metal, as it is essentially \u201cdark carbon on dark carbon,\u201d Seiler said. But when lead is introduced, the ink lights up in the X-ray scans, allowing AI to better detect the text.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00073b6q10smiz6h@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The next step after re-creating the scrolls, Seiler added, is to test the real Herculaneum ones to determine what percentage contain lead. \u201cIf they took these scrolls one by one to a facility, they could find out in a matter of minutes whether or not they had lead in them,\u201d he said. \u201cA lead signal is very strong.\u201d\n    <\/p>\n<p>       <img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/09\/img-3799.jpg\" alt=\"Friends of lead author Douglas Seiler wrote on modern-day papyri with lead-spiked black ink. The researchers carbonized the scroll and took an X-ray CT scan to read the text.\" class=\"image_large__dam-img image_large__dam-img--loading\" onload=\"this.classList.remove('image_large__dam-img--loading')\" onerror=\"imageLoadError(this)\" height=\"2470\" width=\"1764\" loading=\"lazy\"\/><\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m00093b6q99acm6o7@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            To date, <a href=\"https:\/\/www.cnn.com\/2026\/06\/26\/science\/papyrus-scroll-vesuvius-ai-scli-intl\" rel=\"nofollow noopener\" target=\"_blank\">one entire scroll<\/a> and passages from others have been deciphered, largely thanks to the <a href=\"https:\/\/scrollprize.org\/\" target=\"_blank\" rel=\"nofollow noopener\">Vesuvius Challenge<\/a>, a project launched in 2023 that encourages researchers to decode scrolls for cash prizes.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000a3b6qgz9ckg37@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            For the most part, the scrolls studied are the ones in the best shape, \u201cthe nice ones that look like toilet paper or a roll of a paper towel \u2014 symmetrical,\u201d Seiler said. But there are more than 600 unopened scrolls, and many in the Naples library are crushed and in fragments. For these scrolls, the best method for virtually unrolling and deciphering text would be to scan for lead first, according to Seiler.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000b3b6qzw4kq1vq@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Computer scientist Brent Seales, cocreator of the Vesuvius Challenge, first uncovered the metallic ink in Herculaneum scrolls in 2009 while studying one of them at the University of Kentucky in Lexington. Later, <a href=\"https:\/\/www.pnas.org\/doi\/10.1073\/pnas.1519958113\" target=\"_blank\" rel=\"nofollow noopener\">a 2016 study<\/a> identified lead in two other fragmented scrolls, suggesting that the metal was intentionally added into the ancient ink.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000c3b6qh3t2cnd2@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            To find out whether the lead could be useful in decoding the scrolls, Seiler and a team of researchers re-created multiple scrolls using Egyptian papyrus and carbon ink similar to that used in Pompeii. After writing their own passages \u2014 including material from the Bible, scripts from Alfred Hitchcock movies and the television show \u201cThe Outer Limits\u201d \u2014 the researchers rolled up these scrolls and charred them in a low-oxygen, high-temperature furnace to carbonize them, mimicking the conditions that preserved the original scrolls during the eruption of Mount Vesuvius.\n    <\/p>\n<p>       <img decoding=\"async\" src=\"https:\/\/www.newsbeep.com\/us\/wp-content\/uploads\/2026\/09\/seilervanbibber.jpg\" alt=\"Physicist Karl van Bibber (right), professor at UC Berkeley, examines the ink on a replica scroll to confirm lead density calculations while Douglas Seiler, research volunteer at UC Berkeley, looks on.\" class=\"image_large__dam-img image_large__dam-img--loading\" onload=\"this.classList.remove('image_large__dam-img--loading')\" onerror=\"imageLoadError(this)\" height=\"289\" width=\"440\" loading=\"lazy\"\/><\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000d3b6qhlug3qd0@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The team sent the replica scrolls to researchers at the National Institute of Standards and Technology in Gaithersburg, Maryland, to decipher. Using X-ray tomography and virtual unrolling techniques, the researchers were able to reconstruct the scrolls and identify readable text at each lead concentration level.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000e3b6qt3fj97fv@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cIn fact, they picked up the images much, much better than we thought,\u201d Seiler added.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000f3b6qvagum7k6@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            The results provide a \u201cnew opportunity to finally read some of the more complex Herculaneum scrolls,\u201d according to <a href=\"https:\/\/phys.org\/news\/2026-09-lost-ancient-scrolls-eruption-mount.html\" target=\"_blank\" rel=\"nofollow noopener\">a news release<\/a> from the journal. Furthermore, the team\u2019s method of re-creating the Herculaneum scrolls could allow for more training of AI and potentially improve the algorithm\u2019s success at reading ancient texts, the study authors wrote.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000g3b6qr2azvhmx@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Seales, professor of computer science at the University of Kentucky, said that those studying the Herculaneum scrolls have seen \u201cwide variability\u201d in the ink formulations, and there are scrolls with higher concentrations of metal. But the variation and overall low concentrations point to the metal being an accidental addition rather than a standard ingredient at the time, he added.\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000h3b6qn86cgnvj@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cScrolls with metal in the ink are somewhat easier to read using virtual unwrapping. But that doesn\u2019t mean that the scrolls without metal cannot be read,\u201d Seales said in an email. \u201cThe Vesuvius Challenge has applied the power of analytical artificial intelligence to every phase of the problem, showing that even the most stubborn of scrolls can yield evidence of ink.\u201d\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000i3b6qtgkbu25b@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            Seales, who not involved with the new study, said he admired the team\u2019s \u201centhusiasm and tenacity.\u201d\n    <\/p>\n<p class=\"paragraph-elevate inline-placeholder vossi-paragraph_elevate\" data-uri=\"cms.cnn.com\/_components\/paragraph\/instances\/cmube5r5m000j3b6qbilfwvx4@published\" data-editable=\"text\" data-component-name=\"paragraph\" data-article-gutter=\"true\">\n            \u201cSomehow the scrolls found a way to survive, and we have found a way to redeem them,\u201d he added. \u201cIf their revelation is helped by accidental chemistry like lead that found its way into the ink, we can add another miracle to a string of them needed to bring those words back from the brink.\u201d\n    <\/p>\n<p data-uri=\"cms.cnn.com\/_components\/editor-note\/instances\/cmubect6e000x3b6qvu9x02d9@published\" data-editable=\"text\" data-component-name=\"editor-note\" class=\"editor-note-elevate vossi-editor-note_elevate inline-placeholder\" data-article-gutter=\"true\">\n    Taylor Nicioli is a freelance journalist based in New York.\n<\/p>\n<p data-uri=\"cms.cnn.com\/_components\/editor-note\/instances\/cmubfh59j001e3b6qvv3wa88a@published\" data-editable=\"text\" data-component-name=\"editor-note\" class=\"editor-note-elevate vossi-editor-note_elevate inline-placeholder\" data-article-gutter=\"true\">\n    Sign up for <a href=\"https:\/\/www.cnn.com\/newsletters\/wonder-theory?source=nl-acq_article\" rel=\"nofollow noopener\" target=\"_blank\">CNN\u2019s Wonder Theory science newsletter<\/a>. Explore the universe with news on fascinating discoveries, scientific advancements and more.<\/p>\n","protected":false},"excerpt":{"rendered":"Charred to a crisp during Mount Vesuvius\u2019 eruption in AD 79, hundreds of papyrus scrolls lie tucked away&hellip;\n","protected":false},"author":2,"featured_media":857146,"comment_status":"","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[32],"tags":[79],"class_list":["post-857145","post","type-post","status-publish","format-standard","has-post-thumbnail","category-science","tag-science"],"_links":{"self":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/857145","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/comments?post=857145"}],"version-history":[{"count":0,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/posts\/857145\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media\/857146"}],"wp:attachment":[{"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/media?parent=857145"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/categories?post=857145"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.newsbeep.com\/us\/wp-json\/wp\/v2\/tags?post=857145"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}