Fly Cruises Smell Arena  Science Animals Biology 

A Fly Cruises the Smell Arena  for Science

By Amanda Alvarez @neuroamanda Banana essence. Apple cider vinegar. Almond jelly dessert. Mentsuyu. These are just some of the smells tested on flies in Hokto Kazama’s lab—you might recognize the last one as the soy sauce-based broth in noodle soup. These smells and more are processed in a part of the fly brain only slightly bigger than half the width of a human hair. (We’re talking about fruit flies here, not house flies, so everything is even smaller than you imagined.) What goes on in the antennal lobe, as it’s…

Read More