Cancer has been around as long as humankind, but only in the second half of the twentieth century did the number of cancer cases explode.
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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.
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Human kidneys will clean about 1 million gallons of blood in an average lifetime.
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Green tea is able to stop the scent of garlic or onion from causing bad breath.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
A color-enhanced MRI image of the skull.
How to calculate monthly payments at varying amortization periods (Question 3)