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Did you know?

Every 10 seconds, a person in the United States goes to the emergency room complaining of head pain. About 1.2 million visits are for acute migraine attacks.

Did you know?

Human kidneys will clean about 1 million gallons of blood in an average lifetime.

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The U.S. Preventive Services Task Force recommends that all women age 65 years of age or older should be screened with bone densitometry.

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To prove that stomach ulcers were caused by bacteria and not by stress, a researcher consumed an entire laboratory beaker full of bacterial culture. After this, he did indeed develop stomach ulcers, and won the Nobel Prize for his discovery.

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Cytomegalovirus affects nearly the same amount of newborns every year as Down syndrome.

Walrus Ivory masks made by Yupik in Alaska Walrus Ivory masks made by Yupik in Alaska
A hair is an array of many α-keratin filaments, made up of the substructures A hair is an array of many α-keratin filaments, made up of the substructures
James Madison was a key figure at the Constitutional Convention of 1787 in Philadelphia. He not only James Madison was a key figure at the Constitutional Convention of 1787 in Philadelphia. He not only
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The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ... The profit, p(t), made at a fair depends on the price of the ticket, t. The profit is modelled ...
Differential Equation Word Problem Differential Equation Word Problem
Video: Anatomy and Chemical Makeup of a Single Hair (Animation)

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