The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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Dolphins have names for one another.
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A new born kangaroo is small enough to fit in a spoon!
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When dragonflies mate, their tails form a love heart.
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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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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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