A dog's sense of smell is about 10,000 times stronger than a human's.
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It is much easier for dogs to learn spoken commands if they are given in conjunction with hand signals or gestures.
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A German Shepherd guide dog led her blind companion the entire 2,100 mile Appalachian Trail.
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National Geographic's Dr. Brady Barr measured a dog's average bite force at 320 pounds of pressure per square inch.
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Dogs can be trained to detect cancer and other diseases in humans.
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Your pup reaches his full size between 12 and 24 months.
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In general, smaller breeds live longer than larger breeds.
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Countess Karlotta Libenstein of Germany left approximately $106 million to her Alsatin, Gunther III, when she died in 1992.
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Humans can detect sounds at 20,000 times per second, while dogs can sense frequencies of 30,000 times per second.
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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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A lost Dachshund was found swallowed whole in the stomach of a giant catfish in Berlin on July 2003.
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Dogs have three eyelids. The third lid, called a nictitating membrane or "haw," keeps the eye lubricated and protected.
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Is it a duck... or a dog? The Newfoundland breed has a water resistant coat and webbed feet. This dog was originally bred to help haul nets for fishermen and rescuing people at risk of drowning.
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About 12 percent of the air that a dog breathes goes into a special area in the back of the nose that is dedicated to smelling.
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There are almost 5 million dog bites per year; children are the main victims. Dog bites cause losses of over $1 billion a year.
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