About 100 new prescription or over-the-counter drugs come into the U.S. market every year.
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In 1835 it was discovered that a disease of silkworms known as muscardine could be transferred from one silkworm to another, and was caused by a fungus.
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The human body produces and destroys 15 million blood cells every second.
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Your chance of developing a kidney stone is 1 in 10. In recent years, approximately 3.7 million people in the United States were diagnosed with a kidney disease.
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It is difficult to obtain enough calcium without consuming milk or other dairy foods.
The vertebrate single-lens eye.
Tallest Tower
J. P. Morgan, the financial genius, staved off ruinous competition among steel firms by combining mo
Amiens Cathedral.
Two examples of a single crossover between two nonsister chromatids