A dog's nose is made up of about 220 million scent receptors, while a human's nose has about 5 million.
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A dog's sense of smell is so powerful that they can detect a drop of blood in a large swimming pool.
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Dogs can count up to five and can perform simple mathematical calculations.
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The Saint Bernard gains its name from the "Great St. Bernard Hospice;" the monastery where Barry and other mountain dogs was raised by monks to rescue victims from the snowy Alps.
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Dog nose prints are as unique as human finger prints and can be used to identify them.
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The most popular male dog name is Max, while the most popular female dog name is Bella.
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The name of the dog on the Cracker Jacks box is Bingo. The Taco Bell Chihuahua is a rescued dog named Gidget.
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Plato once said that "a dog has the soul of a philosopher."
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All breeds of dog have been found to attack livestock, from 3-month-old puppies to 13-year-old poodles.
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The Norwegian Lundehund is the only dog with six toes on each foot.
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The term "dog days of summer" was coined by the ancient Greeks and Romans to describe the hottest days of summer that coincided with the rising of the Dog Star, Sirius.
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The average dog can run at speeds of up to 19mph.
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A dog's sense of smell is so powerful that they can detect changes in a person's emotional state.
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