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Did you know?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

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Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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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 principle of faunal succession uses animal fossils to tell relative time. The principle of faunal succession uses animal fossils to tell relative time.
This chart illustrates the four quadrants in which we can place the relationships between the state This chart illustrates the four quadrants in which we can place the relationships between the state
The relative influence of heredity and the environment in human behavior has fascinated and plagued ... The relative influence of heredity and the environment in human behavior has fascinated and plagued ...
Sociologists disagree about the relative significance of race and social class in determining social ... Sociologists disagree about the relative significance of race and social class in determining social ...
A substrate and its competitive inhibitor A substrate and its competitive inhibitor
Benefits and costs of herbicide applications Benefits and costs of herbicide applications
Video: Hydrogen bonds vs. Ionic bond

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