- Grade 11 and 12 Mathematics (Moderator: geoffrey)
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- Grade 11 and 12 Mathematics (Moderator: geoffrey)
Did you know?
In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.
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In ancient Rome, many of the richer people in the population had lead-induced gout. The reason for this is unclear. Lead poisoning has also been linked to madness.
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Approximately 25% of all reported medication errors result from some kind of name confusion.
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According to research, pregnant women tend to eat more if carrying a baby boy. Male fetuses may secrete a chemical that stimulates their mothers to step up her energy intake.