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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.
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The most common treatment options for addiction include psychotherapy, support groups, and individual counseling.
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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 familiar sounds of your heart are made by the heart's valves as they open and close.
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Sperm cells are so tiny that 400 to 500 million (400,000,000–500,000,000) of them fit onto 1 tsp.