One reason that kittens sleep so much is because a growth hormone is released only during sleep.
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An Indian man known as "Snake Manu" can put small snakes, including deadly cobras, into his mouth and pass them out through his nose.
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It has been calculated that a single breath from a mature blue whale can inflate up to 2,000 balloons.
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Mosquitoes don't just bite you, they also pee on you.
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The most expensive dog in the world is the Tibetan Mastiff; worth $1.5 million.
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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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