The word drug comes from the Dutch word droog (meaning "dry"). For centuries, most drugs came from dried plants, hence the name.
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The horizontal fraction bar was introduced by the Arabs.
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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.
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Everyone has one nostril that is larger than the other.
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Allergies play a major part in the health of children. The most prevalent childhood allergies are milk, egg, soy, wheat, peanuts, tree nuts, and seafood.
Meal Time
Two views of the phylogenetic relationship between Neandertals and modern H. sapiens.
Relationship of Victims and Rapists
The relationship between RH and temperature.
Relationship of Sun Angle and Solar Radiation
The time spent in each interval of one complete cell cycle of a human cell in culture