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Black holes physically draw space around them.

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Consider space to be a stretched rubber sheet with intersecting grid lines. When you set something on the sheet, it sinks somewhat. The larger the thing on the sheet, the deeper it sinks. The sinking effect alters the grid lines, causing them to become curved rather than straight. The farther you drill into space, the more space bends and curves. And black holes create the deepest wells. Nothing, not even light, has enough energy to climb back out of a black hole, which creates such a deep abyss in space.

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Writing with a pencil was one of Ernest Hemingway's writing tips.


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Even at age 8, a youngster born today might not be able to breathe pure air.


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Porcelain was invented in China.

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Quebec City has about 30 flights of stairs!

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Attempting to be "dominant" over your dog is not the greatest strategy.


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