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Did you know?

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.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

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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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Alzheimer's disease affects only about 10% of people older than 65 years of age. Most forms of decreased mental function and dementia are caused by disuse (letting the mind get lazy).

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Everyone has one nostril that is larger than the other.

Specialized cells capable of dormancy. Specialized cells capable of dormancy.
Embryonic Stem Cells Embryonic Stem Cells
Sperm and Egg Cells Fusing Sperm and Egg Cells Fusing
Melanopsin-Containing Ganglion Cells in the Retina Melanopsin-Containing Ganglion Cells in the Retina
Electron micrograph of the plasma membranes of two cells showing the glycocalyx. Electron micrograph of the plasma membranes of two cells showing the glycocalyx.
Effect of antidiuretic hormone deficiency. Effect of antidiuretic hormone deficiency.
Video: Properties of water -structure of water and polarity (Ionized and polar compounds)

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