It is amazing what dogs are capable of doing. They surprise us more and more every day. See 5 unexpected things that dogs can smell.
1.Bacteria
Since the 1970s, bee keepers have trained dogs to find diseased beehives before they have a chance to infect other, healthier swarms. The dogs can do this simply by tracking the scent of the bacteria that causes the disease known as “American Foulbrood”.