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Did you know?

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

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Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

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In most climates, 8 to 10 glasses of water per day is recommended for adults. The best indicator for adequate fluid intake is frequent, clear urination.

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After a vasectomy, it takes about 12 ejaculations to clear out sperm that were already beyond the blocked area.

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According to the American College of Allergy, Asthma & Immunology, more than 50 million Americans have some kind of food allergy. Food allergies affect between 4 and 6% of children, and 4% of adults, according to the CDC. The most common food allergies include shellfish, peanuts, walnuts, fish, eggs, milk, and soy.

The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts. The visual field as seen by a person with (a) glaucoma, (b) macular degeneration, and (c) cataracts.
Zeeman Splitting by a Sunspot’s Magnetic Field Zeeman Splitting by a Sunspot’s Magnetic Field
The first step in field recovery involves surveying the site, sometimes with special equipment. The first step in field recovery involves surveying the site, sometimes with special equipment.
Field technician in Utah Field technician in Utah
. Calculate the net electric field at point B . Calculate the net electric field at point B
Table salt (NaCl) molecules dissolving in water, resulting in Na+ and Cl– ions surrounded by ... Table salt (NaCl) molecules dissolving in water, resulting in Na+ and Cl– ions surrounded by ...
Video: Blood Test Basics

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