1. Having the intelligence of a 2-year old child, dogs are able to understand over 250 words, count to 5 and solve simple mathematical calculations. They recognize human fellings like anger, happiness and fear.

2. Three dogs survived the sinking of the Titanic. Su-yat Sen the Pekingese, Lady and another Pomeranian traveled in first class in their owners' cabins instead of the on-board kennels, which fact saved their lives.

3. It is an overheard misconception that dogs are fully color blind.

In fact, their world is not only black and white. They can see colors, just not as bright as humans do.

4. There is a genetic reason why dogs curl up. It is an ancient instinct to protect their vital organs and keep themselves warm while they sleep.

5. They dream. Just like humans, dogs also have the same type of SWS (slow wave sleep) and REM (rapid eye movement) stages of sleep, and during the REM stage they have dreams. The moves and sounds they make while sleeping are the proof they are enjoying a trip to the world of dreams.

6. The most popular breeds in the United States are Labrador Retriever, German Shepherd and Golden Retriever. The most liked worldwide are the Labrador Retriever, Poodle and Chihuahua. The least popular are the English Foxhound, Cesky Terrier and Norwegian Lundehund.

7. In Russia, some stray dogs have found out how the use the subway in order to travel to more populated areas where they can find food.

8. Puppies have only 28 teeth. By the time they reach adulthood around the age of 12 to 18 months, they normally have 42.

9. The Beatles track, 'A day in life' contains a whistle that is so high-pitched that in can be heard only by dogs. Paul McCartney recorded it especially for his Old-English Sheepdog, Martha. She was the same pet that inspired the song 'Martha My Dear'.

10. Dalmatian puppies are completely white when they are born.

The spots start to appear two weeks later and can be black, brown, lemon or even dark blue. Their nose and toe nails are normally the same color as their spots.

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