Two dogs were among the Titanic survivors.
262
Dogs can be trained to identify the scent of lung cancer long before symptoms develop.
190
Dogs have been man's pet for over 14,000 years.
224
Service dogs are trained to know when they are on duty. When their harness is on, they know they are at work. When you take it off they instantly become playful and energetic.
11
Nervous dogs wag their tails to the left, and happy dogs to the right (from the dog’s point of view) – and fellow canines pick up on this lop-sided tail language.
10
Dogs have four toes on their hind feet, and five on their front feet.
179