The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).
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Cyanide works by making the human body unable to use oxygen.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
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Pubic lice (crabs) are usually spread through sexual contact. You cannot catch them by using a public toilet.
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About 600,000 particles of skin are shed every hour by each human. If you live to age 70 years, you have shed 105 pounds of dead skin.
New England children like David, Joanna, and Abigail Mason (painted by an unknown artist around 1670
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Pedigree Probability
Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas