Dogs have a truly astonishing sense of smell that goes far beyond anything we could imagine. From picking up the scent of a potential mate miles away to uncovering an explosive, a dog's nose is always hard at work – particularly if it belongs to a scent hound – but exactly how far can dogs smell?
Over the last century, this special skill has been put to incredible use through specific training to help dogs detect everything from drugs to diabetes. In this article we'll take a look at the incredible world of canine olfaction, with the help from experienced vet Dr. Rebecca MacMillan.
