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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

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For about 100 years, scientists thought that peptic ulcers were caused by stress, spicy food, and alcohol. Later, researchers added stomach acid to the list of causes and began treating ulcers with antacids. Now it is known that peptic ulcers are predominantly caused by Helicobacter pylori, a spiral-shaped bacterium that normally exist in the stomach.

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Approximately one in four people diagnosed with diabetes will develop foot problems. Of these, about one-third will require lower extremity amputation.

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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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Nearly 31 million adults in America have a total cholesterol level that is more than 240 mg per dL.

Aquatic microclimates: aquatic environments generally show less temperature variation compared to te Aquatic microclimates: aquatic environments generally show less temperature variation compared to te
Male giraffe mounting a female. Only dominant males are generally able to mate. Male giraffe mounting a female. Only dominant males are generally able to mate.
NANDA international two part format NANDA international two part format
Children with autism generally prefer interacting with objects over people. Children with autism generally prefer interacting with objects over people.
Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be ... Used antifreeze coolant should be kept separate and stored in a leakproof container until it can be ...
Client files are kept in alphabetical order in locked file cabinets. Client files are kept in alphabetical order in locked file cabinets.
Video: Introduction to Human Immunodeficiency Virus (HIV)

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