We Know Why Ancient Roman Concrete Was Able to Last Thousands of Years

And mentioned several other times since the paper came out in 2023.

The most comments are the 270 at https://news.ycombinator.com/item?id=34280239 from the MIT press release at https://news.mit.edu/2023/roman-concrete-durability-lime-cas... .

There is also "Cracking the Case: Science Solves Ancient Mystery of Durable Roman Concrete" (2017) linking to a 99% Invisible piece at https://99percentinvisible.org/article/cracking-case-secret-... .