There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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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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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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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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A newborn Chinese water deer is so small, it can (almost) be held in the palm of a hand.
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