Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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Baks the blind boxer has a seeing eye goose named Buttons; a four-year-old goose who leads the pup around everywhere either by hanging onto him with her neck, or by honking to tell him which way to go.
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In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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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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The desire to squeeze and hug cute things comes from the same place in your brain as aggression.
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When dragonflies mate, their tails form a love heart.
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