There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Dolphins have names for one another.
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Raj from the Big Bang Theory is married to Miss India.
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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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Baby rabbits are called kittens.
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When dragonflies mate, their tails form a love heart.
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Some British police cars carry a teddy bear to console children after an accident.
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