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Did you know?
The horizontal fraction bar was introduced by the Arabs.
Did you know?
Certain rare plants containing cyanide include apricot pits and a type of potato called cassava. Fortunately, only chronic or massive ingestion of any of these plants can lead to serious poisoning.
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The National Institutes of Health have supported research into acupuncture. This has shown that acupuncture significantly reduced pain associated with osteoarthritis of the knee, when used as a complement to conventional therapies.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.