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Did you know?

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).

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About 3% of all pregnant women will give birth to twins, which is an increase in rate of nearly 60% since the early 1980s.

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Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

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The calories found in one piece of cherry cheesecake could light a 60-watt light bulb for 1.5 hours.

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Parkinson's disease is both chronic and progressive. This means that it persists over a long period of time and that its symptoms grow worse over time.

The four pairs of paranasal sinuses. The four pairs of paranasal sinuses.
Stand in a doorway and hook your fingertips on both sides about chest level or lower. Stand in a doorway and hook your fingertips on both sides about chest level or lower.
The engine is rotated until the timing marks on the front of the crankshaft line up with zero ... The engine is rotated until the timing marks on the front of the crankshaft line up with zero ...
A typical bus system showing module CAN communications and twisted pairs of wire. A typical bus system showing module CAN communications and twisted pairs of wire.
Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ... Reconnect the lower back with the shoulder with a few deep effleurage strokes. Then place one hand ...
Ball-and-stick models of A=T and G≡C base pairs Ball-and-stick models of A=T and G≡C base pairs
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