A Moment of Science

Posts tagged sense of smell

December 26, 2007

 

Freshly baked cookies

Anosmia

Anosmia, the term for the lack of a sense of smell, affects over two million Americans. Learn more on this Moment of Science.

December 12, 2007

 

Nest of baby star-nosed moles

Underwater Sniffs

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.

October 5, 2007

 

Perfume And Cologne Scented Ad

Scratch-and-sniff

You have most likely encountered the smelly perfume ads in magazines before. Just how do those ads stay so potent?

December 1, 2005

 

Dogs Love the Smell of Gunpowder in the Morning

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.

August 11, 2005

 

Sensing Disaster

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.

August 11, 2005

 

Baby’s Prenatal Sense of Smell

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.

July 22, 2005

 

Your Dog’s Got Mail

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.

March 31, 2005

 

A Snake’s Sixth Sense

The vomeronasal system, a snake’s sixth sense. Learn more on this Moment of Science.

September 27, 2003

 

Exotic fish swim around a coral reef

Do Fish Have Memories?

Do fish actually have a working memory? Recent experiments show that fish can in fact remember things for several days.

September 27, 2003

 

Driving Around with Dogs

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.

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