Scientists Say Our Noses Can Sense at Least a Trillion Scents

Thursday, March 20, 2014 - 14:50 in Biology & Nature

There's no mistaking the odor of burning rubber for the fresh smell after a summer rain, but now new research shows the human nose can distinguish among many more odors than once thought.People often say that humans can distinguish among only 10,000 different odors.    

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