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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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There can actually be a 25-hour time difference between certain locations in the world. The International Date Line passes between the islands of Samoa and American Samoa. It is not a straight line, but "zig-zags" around various island chains. Therefore, Samoa and nearby islands have one date, while American Samoa and nearby islands are one day behind. Daylight saving time is used in some islands, but not in others—further shifting the hours out of sync with natural time.

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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 human body's pharmacokinetics are quite varied. Our hair holds onto drugs longer than our urine, blood, or saliva. For example, alcohol can be detected in the hair for up to 90 days after it was consumed. The same is true for marijuana, cocaine, ecstasy, heroin, methamphetamine, and nicotine.

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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.

Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith Giardiasis. Colorized electron micrograph of a Giardia protozoan adhering to the surface of an epith
) A more elaborate motif, the β barrel. This β barrel is a single domain of α-hemolysin ) A more elaborate motif, the β barrel. This β barrel is a single domain of α-hemolysin
Disposable, single use thermometer strip Disposable, single use thermometer strip
Single-dose drug administration. Pharmacokinetic values for this drug are as follows: onset of ... Single-dose drug administration. Pharmacokinetic values for this drug are as follows: onset of ...
Escape Speed Problem Escape Speed Problem
The three possible sequences of the white, yellow, and echinus genes The three possible sequences of the white, yellow, and echinus genes
Video: Structure of Amino Acid, Peptide Bonds & Polypeptides

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