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Normal urine is sterile. It contains fluids, salts, and waste products. It is free of bacteria, viruses, and fungi.

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According to the Migraine Research Foundation, migraines are the third most prevalent illness in the world. Women are most affected (18%), followed by children of both sexes (10%), and men (6%).

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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Always store hazardous household chemicals in their original containers out of reach of children. These include bleach, paint, strippers and products containing turpentine, garden chemicals, oven cleaners, fondue fuels, nail polish, and nail polish remover.

Examples of Specific Antidotes for Overdosed Substances or Toxins Examples of Specific Antidotes for Overdosed Substances or Toxins
Various Substances Used in Piaget’s Conservation Task Various Substances Used in Piaget’s Conservation Task
Schedule for Controlled Substances Schedule for Controlled Substances
Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ... Psychoactive substances: (left) Psilocybin is obtained from a species of mushroom; (right) LSD is ...
Amino sugars are found in many polysaccharides Amino sugars are found in many polysaccharides
Chewy: Finding Added Sugars on the Label A food Chewy: Finding Added Sugars on the Label A food
Video: Plant Defense Mechanisms from Pathogens

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