There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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When dragonflies mate, their tails form a love heart.
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Kissing releases masses of oxytocin, a "love potion" that helps couples bond and feel more attracted to each other.
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A puppy is born blind, deaf, and toothless.
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When cats are happy, they may squeeze their eyes shut.
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Dolphins have names for one another.
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