Anosmia, the term for the lack of a sense of smell, affects over two million Americans. Learn more on this Moment of Science.
Have you ever tried smelling underwater? Probably not the best idea, since as humans we would drown, but that's not the case for the star-nosed mole.
You have most likely encountered the smelly perfume ads in magazines before. Just how do those ads stay so potent?
It’s often said that a dog is a man’s best friend, although you can’t really carry on a conversation with them, ask to borrow money, or share a six pack with a dog. However, dogs are extremely useful when it comes to crime prevention. Learn more on this Moment of Science.
How should I know how long it takes for the sense of smell to develop? Surely, we’re not just born smelling. Learn more on this Moment of Science.
You know how animals are supposed to be able sense disasters before they happen? Well some believe it’s a myth, though there are lots of reports of animals behaving strangely days before the tsunamis hit in Indonesia. Hundreds of thousands of ants were seen scurrying away from the beach. Elephants, dogs, and zoo animals were all reported to have been acting strangely. What can explain it? Learn more on this Moment of Science.
As you may have noticed, your dog probably treats each walk as an adventure-packed expedition through the Amazonian wilds. What’s up with the constant sniffing of every patch of sidewalk, tuft of grass, and length of stop sign? Learn more on this Moment of Science.
The vomeronasal system, a snake’s sixth sense. Learn more on this Moment of Science.
Compared to the measly five million aroma receptors embedded in human nasal tissue, which is about the size of postage stamp, some dogs have over 200 million receptors that are embedded in a sheet of tissue that, unfolded, would be big enough to cover one-third of the dog’s surface area.
Thanks to clothes moths and their fabric devouring larvae, your expensive Scottish wool sweater may one day resemble Swiss cheese.