In 1844, Charles Goodyear obtained the first patent for a rubber condom.
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More than 4.4billion prescriptions were dispensed within the United States in 2016.
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There are over 65,000 known species of protozoa. About 10,000 species are parasitic.
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This year, an estimated 1.4 million Americans will have a new or recurrent heart attack.
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In 1886, William Bates reported on the discovery of a substance produced by the adrenal gland that turned out to be epinephrine (adrenaline). In 1904, this drug was first artificially synthesized by Friedrich Stolz.
An example of the founder effect with subsequent adaptive radiation.
Some of the bacteria that can fix atmospheric nitrogen, converting it into a form usable by plants.
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Atmospheric properties include temperature, pressure, and humidity