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2. Dog sense of smell - Wikipedia

   en.wikipedia.org/wiki/Dog_sense_of_smell

   Dogs have vastly more powerful noses than humans. The typical dog's nose is 100,000 to 1 million times as sensitive as a human's, and the most sensitive breed, the bloodhound, has a sense of smell which can be up to 100 million times as sensitive. Additionally, dogs have much larger olfactory mucosa and a larger part of the brain dedicated to ...

3. Body odor - Wikipedia

   en.wikipedia.org/wiki/Body_odor

   Similarly, humans have been seen to distinguish age-related information from body odor, particularly relating to odors of those of old age. In a study determining if there is a difference between the body odor of individuals of various ages, three groups were studied: those aged 20-30, aged 45-55, and aged 75-95, corresponding to young age ...

4. Tracking (dog) - Wikipedia

   en.wikipedia.org/wiki/Tracking_(dog)

   A dogs acuity to a scent group is so refined they are able to discriminate humans by odour [7] and can even match certain scents to specific body parts of an individual. [8] Scent discrimination is most proficient while a human odour is fresh and becomes more difficult once an odour starts to fade.

5. 10 Things Dogs Can Smell That Humans Can’t - AOL

   www.aol.com/lifestyle/10-things-dogs-smell...

   Dogs are truly heroes—not that you needed any convincing. The post 10 Things Dogs Can Smell That Humans Can’t appeared first on Reader's Digest.

6. You practice good hygiene. So why do you still smell bad? - AOL

   www.aol.com/lifestyle/practice-good-hygiene-why...

   Sweat and body odor are typically thought to go hand in hand, but experts say it's a little more complicated than that. Sweat alone doesn't have a smell, according to Harvard Health.

7. Dog odor - Wikipedia

   en.wikipedia.org/wiki/Dog_odor

   Natural dog odor can be unpleasant to dog owners, especially when dogs are kept inside the home, as some people are not used to being exposed to the natural odor of a non-human species living in proximity to them. Dogs may also develop unnatural odors as a result of skin disease or other disorders or may become contaminated with odors from ...

8. Is your dog a diva? Check out our list of high-maintenance ...

   www.aol.com/dog-diva-check-list-high-103000360.html

   High-maintenance dog breeds can require a lot of extra time, care and attention. High-maintenance in humans gives the impression of a needy person who requires a lot of time, money and effort to ...

9. Sense of smell - Wikipedia

   en.wikipedia.org/wiki/Sense_of_smell

   Humans have about 10 cm 2 (1.6 sq in) of olfactory epithelium, whereas some dogs have 170 cm 2 (26 sq in). A dog's olfactory epithelium is also considerably more densely innervated, with a hundred times more receptors per square centimeter. [48] The sensory olfactory system integrates with other senses to form the perception of flavor. [18]