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Did you know?

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

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As many as 20% of Americans have been infected by the fungus known as Histoplasmosis. While most people are asymptomatic or only have slight symptoms, infection can progress to a rapid and potentially fatal superinfection.

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The horizontal fraction bar was introduced by the Arabs.

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In 1864, the first barbiturate (barbituric acid) was synthesized.

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Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Mars sketched as observed by Lowell sometime before 1914. (South top) Mars sketched as observed by Lowell sometime before 1914. (South top)
electron microscope image of a diatom electron microscope image of a diatom
True-color image of layers of haze in Titan's atmosphere. True-color image of layers of haze in Titan's atmosphere.
Raster is the best scope position to view the spark lines of all the cylinders to check for ... Raster is the best scope position to view the spark lines of all the cylinders to check for ...
Observed global land and ocean surface temperature anomalies since 1850 Observed global land and ocean surface temperature anomalies since 1850
Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas Bateson and Punnett’s Observed and Expected Phenotypes in F2 Sweet Peas
Video: Wound Cultures

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