Pompeii site reveals recipe for Roman concrete
cnn.comHere's the paper:
Here's a more transparent link: https://www.nature.com/articles/s41467-025-66634-7.pdf
Thanks. Copied the journal's generated link, and should have inspected it more closely. On the other hand, why do they do that? Genuine question, are they imbedding tracking or something? I note that yours goes to a pdf, is there a way to get a transparent link to an html page?