In 2011, archaeologists discovered the skeletal remains of a Roman couple who have been holding hands for 1,500 years.
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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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Some British police cars carry a teddy bear to console children after an accident.
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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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A zoo in China gave a gay penguin couple the opportunity to raise a chick.
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