teacher's flu is an occasion to give work to do, sorry pupils: a bit of reading real scientific plublications, not just for the general public :

N UC chemists, geologists, art historians collaborate with museums to examine masterpieces : https://www.uc.edu/news/articles/2022/10/collaboration-combines-art-science-to-detect-fakes.html

N Scientists may have found magic ingredient behind ancient Rome’s self-healing concrete : https://www.science.org/content/article/scientists-may-have-found-magic-ingredient-behind-ancient-romes-self-healing-concrete?utm_medium=ownedSocial&utm_campaign=NewsfromScience&utm_source=Facebook