The effect of Relativity made Astronaut Sergei Avdeyev a fraction of a second younger upon his return to Earth after 747 days in space.

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A banana is about 75 percent water.

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The Philippines consist of 7,100 islands.

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Some species of earthworm can have as many as 10 hearts.

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A newborn kangaroo is small enough to fit into a teaspoon.

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The royal house of Saudi Arabia has close to 10,000 princes and princesses.

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A solar panel 100 miles by 100 miles (161x161km) in the Mojave Desert (USA) could replace all the coal now burned to generate electricity in the entire U.S.

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The moon orbits the Earth every 27.32 days

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Starfish have no brain.

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A cat has 32 muscles in each ear.

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