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Did you know?

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

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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.

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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.

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The Centers for Disease Control and Prevention (CDC) was originally known as the Communicable Disease Center, which was formed to fight malaria. It was originally headquartered in Atlanta, Georgia, since the Southern states faced the worst threat from malaria.

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People who have myopia, or nearsightedness, are not able to see objects at a distance but only up close. It occurs when the cornea is either curved too steeply, the eye is too long, or both. This condition is progressive and worsens with time. More than 100 million people in the United States are nearsighted, but only 20% of those are born with the condition. Diet, eye exercise, drug therapy, and corrective lenses can all help manage nearsightedness.

Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display Walrus tusk engraving made by Chukchi artisans depicting polar bears attacking walruses. On display
Chrysler Salon, N. Y. C., showing the 1937 Chrysler Airflow four-door sedan on display in the ... Chrysler Salon, N. Y. C., showing the 1937 Chrysler Airflow four-door sedan on display in the ...
A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ... A scope display showing a normal Chevrolet Equinox MAF sensor at idle speed. the frequency is 2,600 ...
Leaf margins and air temperature Leaf margins and air temperature
Threat Display: Male Collared Lizard Threat Display: Male Collared Lizard
Video: Fertilization and Development

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