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 a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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Dolphins have names for one another.
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Some British police cars carry a teddy bear to console children after an accident.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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