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Opium has influenced much of the world's most popular literature. The following authors were all opium users, of varying degrees: Lewis Carroll, Charles, Dickens, Arthur Conan Doyle, and Oscar Wilde.
The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
The familiar sounds of your heart are made by the heart's valves as they open and close.
When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.
The use of salicylates dates back 2,500 years to Hippocrates's recommendation of willow bark (from which a salicylate is derived) as an aid to the pains of childbirth. However, overdosage of salicylates can harm body fluids, electrolytes, the CNS, the GI tract, the ears, the lungs, the blood, the liver, and the kidneys and cause coma or death.

