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Did you know?

Your skin wrinkles if you stay in the bathtub a long time because the outermost layer of skin (which consists of dead keratin) swells when it absorbs water. It is tightly attached to the skin below it, so it compensates for the increased area by wrinkling. This happens to the hands and feet because they have the thickest layer of dead keratin cells.

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Egg cells are about the size of a grain of sand. They are formed inside of a female's ovaries before she is even born.

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The most common childhood diseases include croup, chickenpox, ear infections, flu, pneumonia, ringworm, respiratory syncytial virus, scabies, head lice, and asthma.

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The longest a person has survived after a heart transplant is 24 years.

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Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Dial-A-Flo in-line device to regulate IV flow. Dial-A-Flo in-line device to regulate IV flow.
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 ...
Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ... Inline fuel filters are usually attached to the fuel line with screw clamps or threaded ...
Line immunoassay (LIA), also recombinant immunoblot assay (RIBA) and Immuno-stripe, is similar to a ... Line immunoassay (LIA), also recombinant immunoblot assay (RIBA) and Immuno-stripe, is similar to a ...
Allis’ sign—demonstration of unequal knee height Allis’ sign—demonstration of unequal knee height
Offset Method Plot of Land with Length Line Offset Method Plot of Land with Length Line
Video: Atrophy

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