http://www.telegraph.co.uk/news/2017/08/13/roman-coins-show-evidence-hannibals-defeat-scientists-say/
A bit of metallurgical analysis has provided some insights into the consequences of Carthage's defeat to Rome's monetary supply
In the words of the article: "It allows what was previously speculation about the importance of Spanish silver for the coinage of Rome to be placed on a firm foundation."
More accurately, it tells us what we already knew, but does so in a scientifically impeccable way. :)
well, yes, of course. Nice to have it in print though ;D