Dogs have been man's pet for over 14,000 years.
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A group of unicorns is called a blessing.
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Alligator snapping turtles can live for over 150 years. Scientists know this because some of the turtles had musket balls in their stomachs.
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Whales and dolphins can't taste anything other than salt.
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Dolphins sometimes have fun by blowing bubbles and creating rings of air underwater, which they then swim through.
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