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Atropine was named after the Greek goddess Atropos, the oldest and ugliest of the three sisters known as the Fates, who controlled the destiny of men.
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The first-known contraceptive was crocodile dung, used in Egypt in 2000 BC. Condoms were also reportedly used, made of animal bladders or intestines.
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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).
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More than 2,500 barbiturates have been synthesized. At the height of their popularity, about 50 were marketed for human use.
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Aspirin is the most widely used drug in the world. It has even been recognized as such by the Guinness Book of World Records.
Gunnera growing on nitrogen-poor soil.
Phosphatidylcholine, a typical phosphoglyceride
A typical injector-pump-type automotive diesel fuel injection system.
A typical ball-peen hammer.
Operation of a typical pulse generator (pickup coil). At the bottom is a line drawing of a typical ...
Success is an iceberg