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Author Question: Since science is a rapidly-changing area, and teachers are constantly challenged to keep up with new ... (Read 53 times) |
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Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.
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There are approximately 3 million unintended pregnancies in the United States each year.
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The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.
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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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About 100 new prescription or over-the-counter drugs come into the U.S. market every year.