A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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A group of kittens is called a "kindle".
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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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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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