The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."
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There are approximately 3 million unintended pregnancies in the United States each year.
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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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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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
TrUe....FaLsE
Example of a patient statement.
When a Tornado Strikes: Social Organization Following a Natural Disaster
Tornado Formation: Nonsupercell Tornado Development
Tornado Occurrence
Midsagittal section indicating locations of true and false pelves