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Did you know?

The modern decimal position system was the invention of the Hindus (around 800 AD), involving the placing of numerals to indicate their value (units, tens, hundreds, and so on).

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According to the National Institute of Environmental Health Sciences, lung disease is the third leading killer in the United States, responsible for one in seven deaths. It is the leading cause of death among infants under the age of one year.

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More than 34,000 trademarked medication names and more than 10,000 generic medication names are in use in the United States.

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Liver spots have nothing whatsoever to do with the liver. They are a type of freckles commonly seen in older adults who have been out in the sun without sufficient sunscreen.

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During pregnancy, a woman is more likely to experience bleeding gums and nosebleeds caused by hormonal changes that increase blood flow to the mouth and nose.

Absorption of light energy by an electron Absorption of light energy by an electron
(A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive (A) Scratch test; patient is exposed to allergens through a light scratch on the skin; (B) Positive
Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth Blue light is scattered more than other wavelengths by the gases in the atmosphere, giving the Earth
The biochemical reactions of near-infrared light The biochemical reactions of near-infrared light
Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ... Schematic of an IgG molecule: Two heavy and 2 light chains are linked together by disulfide bonds. ...
Photoreceptors and UV Light Photoreceptors and UV Light
Video: Leukemia

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