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Did you know?

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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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.

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The shortest mature adult human of whom there is independent evidence was Gul Mohammed in India. In 1990, he was measured in New Delhi and stood 22.5 inches tall.

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Many medications that are used to treat infertility are injected subcutaneously. This is easy to do using the anterior abdomen as the site of injection but avoiding the area directly around the belly button.

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Hippocrates noted that blood separates into four differently colored liquids when removed from the body and examined: a pure red liquid mixed with white liquid material with a yellow-colored froth at the top and a black substance that settles underneath; he named these the four humors (for blood, phlegm, yellow bile, and black bile).

A pair of spotted hyenas at White River, Mpumalanga A pair of spotted hyenas at White River, Mpumalanga
White Campion White Campion
Johari window showing differences in quadrants between "new job" and "intimate ... Johari window showing differences in quadrants between "new job" and "intimate ...
Ruins of the Anu Ziggurat and White Temple Ruins of the Anu Ziggurat and White Temple
White blood cells White blood cells
Video: Fermentation pathways

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