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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).
Did you know?
More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
Did you know?
The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.
Did you know?
Approximately 500,000 babies are born each year in the United States to teenage mothers.