TIL that over 90% of all currency (euros) in circulation in Spain have trace amounts of cocaine

https://academic.oup.com/eurpub/article/27/6/1097/3976036
#til #todayilearned
https://www.reddit.com/r/todayilearned/comments/1gepc7i/til_that_over_90_of_all_currency_euros_in/