Fact-based lists are always fun to read; here’s one on dogs.
Dogs rely heavily on their sense of smell; a dog’s sense of smell is around a thousand times stronger than that of humans.
There is a breed of dogs, the Basenji, which cannot bark. Yes, a dog that does not bark.
A Chinese dog breed, Chow Chow, is the only dog breed with a blue tongue. It is also one of the oldest dog breeds around.
You can train a dog to warn...