Facts About Dogs

• Dogs have been man's pet for over 14,000 years. 
• Apple and pear seeds contain arsenic, which may be deadly to dogs. 
• Dogs have sweat glands in between their paws. 
• Dogs have three eyelids. The third lid, called a nictitating membrane or “haw,” keeps the eye lubricated and protected. 
• Puppies are sometimes rejected by their mother if they are born by cesarean and cleaned up before being given back to her. 
• The phrase “raining cats and dogs” originated in seventeenth-century England. During heavy rainstorms, many homeless animals would drown and float down the streets, giving the appearance that it had actually rained cats and dogs. 
• Weird dog laws include allowing police offers in Palding, Ohio, to bite a dog to quiet it. In Ventura County, California, cats and dogs are not allowed to have sex without a permit. 
• Dalmatians are completely white at birth. 
• The first dogs were self-domesticated wolves which, at least 12,000 years ago, became attracted to the first sites of permanent human habitation. 
• A puppy is born blind, deaf, toothless and can not stand . 
• A dog can locate the source of a sound in 1/600 of a second and can hear sounds four times farther away than a human can. 
• There are an estimated 400 million dogs in the world. 
• In Egypt, a person bitten by a rabid dog was encouraged to eat the roasted liver of a dog infected with rabies to avoid contracting the disease. The tooth of a dog infected with rabies would also be put in a band tied to the arm of the person bitten. The menstrual blood of a female dog was used for hair removal, while dog genitals were used for preventing the whitening of hair. 
• One female dog and her female children could produce 4,372 puppies in seven years. 
• A person standing still 300 yards away is almost invisible to a dog. But a dog can easily identify its owner standing a mile away if the owner is waving his arms. 
• Dogs with big, square heads and large ears (like the Saint Bernard) are the best at hearing subsonic sounds. 
• Dogs can smell about 1,000 times better than humans. While humans have 5 million smell-detecting cells, dogs have more than 220 million. The part of the brain that interprets smell is also four times larger in dogs than in humans. 
• Different smells in the a dog’s urine can tell other dogs whether the dog leaving the message is female or male, old or young, sick or healthy, happy or angry. 
• A person should never kick a dog facing him or her. Some dogs can bite 10 times before a human can respond. 
• The grief suffered after a pet dog dies can be the same as that experienced after the death of a person.
• Some dogs can smell dead bodies under water, where termites are hiding, and natural gas buried under 40 feet of dirt. They can even detect cancer that is too small to be detected by a doctor and can find lung cancer by sniffing a person’s breath.
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