German Peasants' War: Rebellion of Despair
Uric Acid: Inner Works of the Human Body
Uric Acid: Kidney Stones & Peeing on Plants
Urea: Body Waste & Organic Health
Calcite: Metal-Eating Bacteria to Coral Reefs
S. pasteurii: Calcium Eating Limestone-Making Bacteria
Calcium (Ca): Earth Metal of Structure & Strength
Galen: Medical Methods of Ancient Physicians
Aristotle & Subjective Empiricism: Philosophy
Mercury II Oxide: Red & White of Alchemy
Raising Rotifers for Biology, Microscopy & Baby Fish Food
Nine Years War 1688-1697 France vs. Europe
Liver of Sulfur: Alchemy, Metal & Medicine
How to Cultivate Green Algae for Science & Health
Algae in Glass Houses: Diatomaceous Earth
Diatoms: Glass-Making Algae Crucial to Life
B. Linens Bacterium: Big Cheese of B.O.
Pyrometallurgy: Ancient Processes of Modern Alchemy
Biometallurgy: Microbes Mining Metals
Diana's Tree: Silver Crystals of Lunar Caustic