The Mysterious Case of the Radioactive Toothpaste - Atlas Obscura
Sat, 06 May 2017 13:10:58 PDT · http://www.atlasobscura.com/articles/thorium-toothpaste-alsos-world-war-wwii-manhattan-project
tagged: interesting
Sat, 06 May 2017 13:10:58 PDT · http://www.atlasobscura.com/articles/thorium-toothpaste-alsos-world-war-wwii-manhattan-project
tagged: interesting