The sense of smell is one of your five senses (can you name the other four?), and it's said to be the sense most closely tied to your memory. The scent of a certain flower may remind you of a day in a garden, or the smell of baking cookies may make you think of preparing for a holiday. This month, we'll learn what kind of molecules have scents, how they travel through the air, and how our noses and brains detect them.
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