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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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Persons who overdose with cardiac glycosides have a better chance of overall survival if they can survive the first 24 hours after the overdose.

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The first documented use of surgical anesthesia in the United States was in Connecticut in 1844.

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The immune system needs 9.5 hours of sleep in total darkness to recharge completely.

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In 1885, the Lloyd Manufacturing Company of Albany, New York, promoted and sold "Cocaine Toothache Drops" at 15 cents per bottle! In 1914, the Harrison Narcotic Act brought the sale and distribution of this drug under federal control.

Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp Cardiac catheterization. Insertion of a tube called a catheter through a blood vessel. In this examp
The upper intake manifold, often called a plenum, attaches to the lower intake manifold. The upper intake manifold, often called a plenum, attaches to the lower intake manifold.
The injector on-time is called the pulse width. The injector on-time is called the pulse width.
The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ... The myeloma cells do not grow in a selective media called HAT because they cannot synthesize DNA ...
A thin cleft, called the synapse, separates one cell from another. A thin cleft, called the synapse, separates one cell from another.
Video: Four Giant Convection Cells oF Earth

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