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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?
The most dangerous mercury compound, dimethyl mercury, is so toxic that even a few microliters spilled on the skin can cause death. Mercury has been shown to accumulate in higher amounts in the following types of fish than other types: swordfish, shark, mackerel, tilefish, crab, and tuna.
Did you know?
Illicit drug use costs the United States approximately $181 billion every year.
Did you know?
The average office desk has 400 times more bacteria on it than a toilet.
Did you know?
Approximately 25% of all reported medication errors result from some kind of name confusion.