Some British police cars carry a teddy bear to console children after an accident.
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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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Sea otters hold hands while sleeping so they don’t drift away from each other.
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A new born kangaroo is small enough to fit in a spoon!
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A puppy is born blind, deaf, and toothless.
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Baby rabbits are called kittens.
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When dragonflies mate, their tails form a love heart.
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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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