Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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Squirrels will sometimes adopt orphaned baby squirrels that they’re related to.
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A group of kittens is called a "kindle".
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Sea otters hold hands while sleeping so they don’t drift away from each other.
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Ten seconds of hugging a day increases levels of oxytocin, which can reduce blood pressure, thus cutting the risk of heart disease.
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Sergeant Stubby was the only war dog to be promoted to sergeant through combat in WWI. He saved his regiment from surprise mustard gas attacks, found and comforted the wounded, and even once caught a German spy by the seat of his pants, holding him there until American Soldiers found him.
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