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Did you know?

When blood is exposed to air, it clots. Heparin allows the blood to come in direct contact with air without clotting.

Did you know?

Though the United States has largely rejected the metric system, it is used for currency, as in 100 pennies = 1 dollar. Previously, the British currency system was used, with measurements such as 12 pence to the shilling, and 20 shillings to the pound.

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

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Carbamazepine can interfere with the results of home pregnancy tests. If you are taking carbamazepine, do not try to test for pregnancy at home.

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Urine turns bright yellow if larger than normal amounts of certain substances are consumed; one of these substances is asparagus.

On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand On the slopes of Chimborazo, a 6,310 m high volcanic peak in the Andes Mountains of Ecuador, Alexand
Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s Glioma. (a) Illustration of a large glioma (colored area) within the left cerebral hemisphere in a s
The Structure of an Old High-Mass Star The Structure of an Old High-Mass Star
X Rays Generated by Accretion of Matter Near a Black Hole X Rays Generated by Accretion of Matter Near a Black Hole
The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30% The “Infertility Belt” In certain countries in Central Africa, infertility rates are as high as 30%
Examples of low and high Entropy states Examples of low and high Entropy states
Video: The Nerve Impulse

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