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Did you know?

About one in five American adults and teenagers have had a genital herpes infection—and most of them don't know it. People with genital herpes have at least twice the risk of becoming infected with HIV if exposed to it than those people who do not have genital herpes.

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Drying your hands with a paper towel will reduce the bacterial count on your hands by 45–60%.

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For high blood pressure (hypertension), a new class of drug, called a vasopeptidase blocker (inhibitor), has been developed. It decreases blood pressure by simultaneously dilating the peripheral arteries and increasing the body's loss of salt.

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During the twentieth century, a variant of the metric system was used in Russia and France in which the base unit of mass was the tonne. Instead of kilograms, this system used millitonnes (mt).

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In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part Simple food web of an Arctic island. NOTE: The indication of detritivores and pathogens was not part
Part C - Structure and function of the human brain Part C - Structure and function of the human brain
Our innate preferences for sugar and fat are sometimes hard to resist. Our innate preferences for sugar and fat are sometimes hard to resist.
Recent history of biochemistry shown by the introduction of new techniques. (part 1) Recent history of biochemistry shown by the introduction of new techniques. (part 1)
How to calculate annuity when compounded semi-annually (Part 1) How to calculate annuity when compounded semi-annually (Part 1)
How to convert verbal statements into algebraic equations (Part 4) How to convert verbal statements into algebraic equations (Part 4)
Video: Cardiac Cycle (Part 3 of 4)

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