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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There are 20 feet of blood vessels in each square inch of human skin.
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Eating carrots will improve your eyesight. Carrots are high in vitamin A (retinol), which is essential for good vision. It can also be found in milk, cheese, egg yolks, and liver.
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Many of the drugs used by neuroscientists are derived from toxic plants and venomous animals (such as snakes, spiders, snails, and puffer fish).
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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.
Menstrual cycle.
Urea cycle
Citric Acid Cycle (Kreb's Cycle)
60-cycle interference.
A square matrix P is called a permutation matrix if each row and column of P contains exactly ...