Could You Smell That? “data-newsletterpromo-image=”https://static.scientificamerican.com/sciam/cache/file/458BF87F-514B-44EE-B87F5D531772CF83_source.png”data-newsletterpromo-button-text=”Sign Up”data-newsletterpromo-button-link=”https://www.scientificamerican.com/page/newsletter-sign-up/?origincode=2018_sciam_ArticlePromo_NewsletterSignUp”name=”articleBody” itemprop=”articleBody”> Neuroscientist Leslie Vosshall and sensory psychologist Avery Gilbert...