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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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The longest a person has survived after a heart transplant is 24 years.
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Amoebae are the simplest type of protozoans, and are characterized by a feeding and dividing trophozoite stage that moves by temporary extensions called pseudopodia or false feet.
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Street names for barbiturates include reds, red devils, yellow jackets, blue heavens, Christmas trees, and rainbows. They are commonly referred to as downers.
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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.