Some mole's can smell underwater by blowing bubbles with its nose and breathing back in the then scent charged air.
Domestic cats dislike citrus scents
Elephants are able to smell water up to 3 miles away
Bloodhounds can track a man by smell for up to 100 miles
Dogs know when you're due to come home by how much of your scent is remaining in the house.
Ants can smell well --- better even than a dog.
Dogs can get a sense of when you're supposed to be home from work based on how much of your scent is left in the house.
Dolphins are unable to smell
Polar bears are able to smell a seal from 20 miles away
Slugs are good at smelling. They have four noses
A woman smelled Parkinson's Disease on 7 out of 12 people in a test to prove her ability. Though only 6 of the 12 people had Parkinson's at the time, she actually smelled the disease on one person three months before he was diagnosed.
scent branding and how businesses pump custom scents into their buildings. Nike's signature scent was reportedly inspired by the smell of a rubber basketball sneaker as it scrapes across the court and a soccer cleat in grass and dirt.
Napoleon Bonaparte's smell is known to us since he used copious amounts of a certain cologne whose recipe is still used today.