Did you know?
Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
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Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.
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An identified risk factor for osteoporosis is the intake of excessive amounts of vitamin A. Dietary intake of approximately double the recommended daily amount of vitamin A, by women, has been shown to reduce bone mineral density and increase the chances for hip fractures compared with women who consumed the recommended daily amount (or less) of vitamin A.
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People with high total cholesterol have about two times the risk for heart disease as people with ideal levels.
Listening to loud music with headphones or at rock concerts is a frequent cause of hearing loss amon
Hong Kong is a strange situation. A British colony since 1842, it was handed back to China in 1997 a
The relation between the physical and perceptual dimensions of sound.
Man-in-the-middle attack
Estimating Potential Blood Volume Loss (Part 2)
Middle eastern kobab