No other animal gives us more by-products than the hog. These by-products include pig suede, buttons, glass, paint brushes, crayons, chalk, and insulation to name a few.

French soldiers during World War I had the nickname "poilu" which translates to "hairy one."

In Gulliver's Travels Jonathan Swift described the two moons of Mars, Phobos and Deimos, giving their exact size and speeds of rotation. He did this more than 100 years before either moon was discovered.

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