When dragonflies mate, their tails form a love heart.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
11
There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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Dolphins have names for one another.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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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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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