LSD experiments behind the iron curtain

http://www.atlasobscura.com/articles/the-early-state-sanctioned-lsd-experiments-in-communist-bulgaria?utm_source=Boomtrain&utm_medium=email&utm_campaign=20160527&bt_email=worj@comcast.net&bt_ts=1464357751015

Interesting stuff.  

(Thanks for the link, Bill!)