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Did you know?

Approximately 500,000 babies are born each year in the United States to teenage mothers.

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Cocaine was isolated in 1860 and first used as a local anesthetic in 1884. Its first clinical use was by Sigmund Freud to wean a patient from morphine addiction. The fictional character Sherlock Holmes was supposed to be addicted to cocaine by injection.

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A good example of polar molecules can be understood when trying to make a cake. If water and oil are required, they will not mix together. If you put them into a measuring cup, the oil will rise to the top while the water remains on the bottom.

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When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r Photograph of the flea that transmits Yersinia pestis to cause bubonic plague, called the oriental r
Chrysler recommends that the bleeder valve be opened whenever refilling the cooling system. Chrysler recommends that the bleeder valve be opened whenever refilling the cooling system.
A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ... A resonance tube, called a Helmholtz resonator, is used on the intake duct between the air filter ...
A vane phaser is used to move the camshaft using changes of oil pressure from the oil control valve. A vane phaser is used to move the camshaft using changes of oil pressure from the oil control valve.
If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ... If the valve clearance (lash) is not correct, loosen the retaining nut and turn the valve adjusting ...
Exterior View of Tholos, The So-called Treasury of Atreus Exterior View of Tholos, The So-called Treasury of Atreus
Video: Autonomic Nervous System Animation

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