A new study demonstrates that your sense of smell may be more sensitive than previously thought. Your nose may be more powerful than you think. In a single sniff, the human sense of smell can ...

Add Yahoo as a preferred source to see more of our stories on Google. Horses can detect fear in humans by smell, becoming more likely to startle and more wary of people who are scared, a new study has ...

For the first time, researchers have determined how a human olfactory receptor captures an airborne scent molecule, the pivotal chemical event that triggers our sense of smell. Whether it evokes roses ...

If you compare a human’s nose to a dog’s nose, the former usually comes up wanting. Canine noses are so sensitive, they can smell a human’s stress and use the various odors around them to paint a ...

People sense millisecond shifts in odor as quickly as they might spot a change in color, new research shows. The study discounts the notion that smell is a "slower" sense than sight or hearing, ...

Your nose may be more powerful than you think. In a single sniff, the human sense of smell can distinguish odors within a fraction of a second, working at a level of sensitivity that is “on par” with ...

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