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Did you know?

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.

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Once thought to have neurofibromatosis, Joseph Merrick (also known as "the elephant man") is now, in retrospect, thought by clinical experts to have had Proteus syndrome. This endocrine disease causes continued and abnormal growth of the bones, muscles, skin, and so on and can become completely debilitating with severe deformities occurring anywhere on the body.

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Human stomach acid is strong enough to dissolve small pieces of metal such as razor blades or staples.

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Green tea is able to stop the scent of garlic or onion from causing bad breath.

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The Babylonians wrote numbers in a system that used 60 as the base value rather than the number 10. They did not have a symbol for "zero."

Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors Bay (left) and chestnut (sometimes called "sorrel") are two of the most common coat colors
Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus Herniated disk. A herniated disk is a protrusion of the disk’s gelatinous center, called the nucleus
Comparison of the structures of myoglobin (PDB ID 1MBO) Comparison of the structures of myoglobin (PDB ID 1MBO)
Pore Structures Pore Structures
Basic tissue types and structures of the alimentary canal. Basic tissue types and structures of the alimentary canal.
Comparison of de novo predictions to X-ray crystal structures Comparison of de novo predictions to X-ray crystal structures
Video: Structures that affect circulation - heart and systolic/diastolic BP

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