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The truth about why things smell bad: Vibrating molecules [Biology]

15 Feb
For over a century, our sense of smell has been explained with the "lock and key" hypothesis, which holds that each odor molecule has a particular shape that allows it to fit into particular smell receptors in the nose. But now a controversial study involving fruit flies suggests that hypothesis might miss the truth entirely - the secret, they say, is all in the vibrations. More »
 
 

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