I don't have the content of the provided article "Cheap glass can store data for eons" from Science (Volume 391, Issue 6787, Page 757, February 2026), so I can't make a summary based only on verified facts from it. The search results [1][2][3] provided do not contain relevant information about this article or about data storage in glass. Without the full text of the article, it is not possible to meet the requirements of 6-8 sentences with verified facts.