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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A couple had their wedding rings engraved with a waveform of their own voices saying "I do."
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Some British police cars carry a teddy bear to console children after an accident.
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Holding hands with someone you love can alleviate physical pain as well as stress and fear.
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When cats are happy, they may squeeze their eyes shut.
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When a male gentoo penguin "falls in love" with a female penguin, he searches the entire beach to find the perfect pebble to present to her.
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