There was a cable network called The Puppy Channel that, for 3 years, broadcast only broadcast footage of puppies playing.
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A group of pugs is called a grumble.
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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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Dolphins have names for one another.
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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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