Research has found that females have nearly 50% more neurons in their olfactory bulbs in their brains which could provide women with a better sense of smell. – WTF Fun Facts
Source: Women’s finer sense of smell may be due to more brain cells (medicalnewstoday.com)
Dogs can tell time by smell. They can smell different times of the day and how long their owner has been gone by how much their smell has dissipated since they left. – WTF Fun Facts
Source: https://www.akc.org/expert-advice/news/dogs-tell-time-with-their-noses-expert-says/
A dog’s sense of smell is 100,000 times stronger than a human’s. Bloodhounds have ~300 million scent receptors while beagles and German shepherds both have ~225 million. In comparison, humans only have about 5 million.– WTF Fun Facts
Source: https://animals.mom.me/how-far-away-can-a-dog-smell-12621599.html
Salmon have an incredibly good sense of smell which they use to return to the same stream to spawn. It is 1000x better than a dog’s sense of smell.
Good smell will make you perceived as more attractive – WTF fun facts
