Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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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.
13
A puppy is born blind, deaf, and toothless.
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When dragonflies mate, their tails form a love heart.
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