The full version of this episode (40 minutes & Ad-free) is available for Silk+ Members (FREE for a limited time!) and includes access to over 600 more episodes from these podcasts: Calm History (120+ episodes) History Showcase (25+ episodes) Sleep Whispers (430+ episodes) ASMR Sleep Station (50+ episodes) 1 & 8-Hour Nature Sounds (50+ episodes) 1 & 8-Hour Background Sounds (30 episodes) … Continue reading *Sample* | Uranium: History, Mining, Dangers, Nuclear Physics, Marie Curie, & Pitchblende | Bedtime Sleep Stories about History (Bonus Episode #87)