#9- Dogs wagging their tails doesn’t just mean they’re happy. It has a whole language of its own. Two simple examples are that when it wags to the left they are frightened and to the right they are happy. Humans won’t detect all the movements of the tail but other dogs can.
#10- Dogs can smell disease because their power of scent is 10,000 more powerful than our own. Some dogs are even able to smell out early signs of cancer.
