Christmas shopping is hard, so this week, we’re taking the advice of 1930s holiday beauty ads and looking into radium! Our guest is Lucy Jane Santos, author of Half Lives: The Unlikely History of Radium and an expert in toxic beauty history. We’re talking about radioactive skincare, X-Rays in beauty salons, radium condoms, snorting radium, and other *very* bad ideas. As always—do NOT try this at home!