When a dog catches a hint of fresh air, the nose has a moist and spongy exterior that allows them to pick up any scents that are being carried by the breeze. Dogs can smell through each individual nostril and this phenomenon lets them smell in stereo, so to speak.
As a result, they are able to determine the direction of a smell’s source. Instead of taking in a scent and noticing it, they are also able to tell where the scent is located, which is why they are so good at finding out when you are eating some of their favorite foods.
Unlike humans, who clumsily breathe in and out of the same passage, dogs exhale air through the slits in the side of their noses. This creates air swirls that draw in brand new molecules of odor. This allows odor concentration to continuously build every time that they sniff.
All of this information needs to be processed, though. Their olfactory system that is dedicated to processing these smells takes up a much larger portion of the brain, when compared to a human being.
This larger concentration of brain power is what enables a dog’s amazing ability to remember certain scents and categorize them. For example, a person might be able to detect the scent of a certain perfume within a small room. A dog, on the other hand, can detect the same scent inside of a stadium.
To learn more about the awesome power of a dog’s nose, be sure to watch this video in its entirety. You just might learn something new today! Pass it along to your friends and family and take time out to share this clip on your Facebook page.