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Fact of the Day: A World Of Smells

Fact of the Day: A World Of Smells

Did you know that people can distinguish between 3,000 and 10,000 different smells?

 

 

Humans detect smells by inhaling air that contains odor molecules, which then bind to receptors inside the nose, relaying messages to the brain. Most scents are composed of many odorants; a whiff of chocolate, for example, is made up of hundreds of different odor molecules. Understanding how people process the complex information contained in scents—or memories of smells—offers a window into how the human brain functions.

 

 

 

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