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Did you know?

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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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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The top five reasons that children stay home from school are as follows: colds, stomach flu (gastroenteritis), ear infection (otitis media), pink eye (conjunctivitis), and sore throat.

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The most destructive flu epidemic of all times in recorded history occurred in 1918, with approximately 20 million deaths worldwide.

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The Romans did not use numerals to indicate fractions but instead used words to indicate parts of a whole.

A utility knife uses replaceable blades and can cut carpet and other materials. A utility knife uses replaceable blades and can cut carpet and other materials.
Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ... Many exhaust manifolds are constructed of pressed steel and are free flowing to improve engine ...
How to solve angle of elevation problems in right triangles How to solve angle of elevation problems in right triangles
How to find the unknown angle of a triangle using the sine law (Part 2) How to find the unknown angle of a triangle using the sine law (Part 2)
Control you knife with one hand and hold the item being cut with the other (3 of 3) Control you knife with one hand and hold the item being cut with the other (3 of 3)
Two complementary angles are drawn such that one angle is 10 degree more than seven times the ... Two complementary angles are drawn such that one angle is 10 degree more than seven times the ...
Video: Blood Flow through the Human Heart

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