Different Breeds: Kennel clubs and organizations recognize over 340 dog breeds worldwide.
Dogs can feel time and know when their owners are coming home.
Incredible Smell: Dogs' sense of smell is 10,000 to 100,000 times more sensitive than humans'.
As with human fingerprints, each dog's nose print is unique.
Dreaming Dogs: Dogs can dream and experience REM sleep.
Talented Detectives: Dogs are utilized for search and rescue, drug, bomb, and cancer detection.
Smart puppies: Born blind, deaf, and toothless, puppies learn their senses quickly.
Dogs read facial expressions and body language to understand human emotions.
Famous Artists: Pablo Picasso and Andy Warhol painted dogs.
Dogs have an upper lid, a lower lid, and a nictitating membrane, or "haw," to shield their eyes.