Cookies taste so good. Smell tells us that before we even take a bite. How? Jennifer Pallian/Unsplash June 1, 2020 What makes something smell good or bad? Rakaia Kenney, University of Maryland, Baltimore County; Kayla Lemons, University of Maryland, Baltimore County, and Weihong Lin, University of Maryland, Baltimore County Mmmmmmm. That smells delicious. Wait, how do you know that?
