Life, the Universe & Everything Else is a podcast that delves into issues of science, critical thinking, and secular humanism.
Discarded Scientific Theories (Gem): Superseded scientific theories (Wikipedia)
The Magic of Crystals (Lauren): Crystal Healing: Stone-Cold Facts About Gemstone Treatments | Crystal Guide (Crystal Vaults) | A to Z Crystal Meanings (CrystalsandJewelry.com) | The 8 Essential Crystals (Goop)
Historical Food Guides (Laura): Government Health Posters: A History of Nutrition Guidelines (PlenteousVeg) | Food and Nutrition through the 20th Century (LibGuides) | Canada's Food Guides from 1942 to 1992 (Canada.ca) | How WWI Food Propaganda Forever Changed the Way America Eats (The A.V. Club) | Food for Young Children (Digital Library) | Dietary Recommendations and How They Have Changed Over Time (USDA) | The History of USDA Nutrition Guides (FoodManufacturing.com) | How to Select Foods, by Caroline L. Hunt and Helen W. Atwater (Archive.org)