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Bacteria have been found alive in a lake buried one half mile under ice in Antarctica.

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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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There are more bacteria in your mouth than there are people in the world.

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Blood in the urine can be a sign of a kidney stone, glomerulonephritis, or other kidney problems.

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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.

Two species of diatoms showing clearly distinct morphologies. Two species of diatoms showing clearly distinct morphologies.
The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig The S-curve in the human vertebral column--a result of the evolution of bipedality--makes humans hig
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Human Viruses Associated with Cancers Virus Human Viruses Associated with Cancers Virus
Human mitochondrial transcription Human mitochondrial transcription
Video: Role of the respiratory system - effect of altered ventilation rates

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