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Did you know?

Although the Roman numeral for the number 4 has always been taught to have been "IV," according to historians, the ancient Romans probably used "IIII" most of the time. This is partially backed up by the fact that early grandfather clocks displayed IIII for the number 4 instead of IV. Early clockmakers apparently thought that the IIII balanced out the VIII (used for the number 8) on the clock face and that it just looked better.

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The ratio of hydrogen atoms to oxygen in water (H2O) is 2:1.

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More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

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In most cases, kidneys can recover from almost complete loss of function, such as in acute kidney (renal) failure.

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Inotropic therapy does not have a role in the treatment of most heart failure patients. These drugs can make patients feel and function better but usually do not lengthen the predicted length of their lives.

Structure and basic function of a typical vertebrate neuron and associated glial cells. Structure and basic function of a typical vertebrate neuron and associated glial cells.
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