Neil DeGrasse Tyson's Cosmos had a very good episode dedicated to him fighting the establishment. Zircons were the key afaik and comparing them to deep sea lea

Neil DeGrasse Tyson's Cosmos had a very good episode dedicated to him fighting the establishment. Zircons were the key afaik and comparing them to deep sea lead percentages. Zircons are little crystals that keep things locked up and make for a useful record thats useful for investigating envoirnmental anomalies like this. The theory of how lead poisoing lead to the fall of Rome is also interesting.