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Did you know?

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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Adults are resistant to the bacterium that causes Botulism. These bacteria thrive in honey – therefore, honey should never be given to infants since their immune systems are not yet resistant.

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There are approximately 3 million unintended pregnancies in the United States each year.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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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.

Mackerel tabby, showing the characteristic "M" on its forehead. Mackerel tabby, showing the characteristic "M" on its forehead.
Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly Hartmann's mountain zebra resting, showing its characteristic essentially unbarred belly
Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition. Psoriasis. This photograph demonstrates the characteristic white skin patches of this condition.
Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how Emphysema. (a) Illustration comparing normal lungs and emphysemic lungs. The inserts illustrate how
Chromatin states, gene content, and characteristic histone modifications Chromatin states, gene content, and characteristic histone modifications
Each enzyme functions best within a characteristic range of pH Each enzyme functions best within a characteristic range of pH
Video: Red alga life cycle Animation

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