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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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The FDA recognizes 118 routes of administration.

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In the United States, there is a birth every 8 seconds, according to the U.S. Census Bureau's Population Clock.

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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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Bacteria have flourished on the earth for over three billion years. They were the first life forms on the planet.

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