5 Animals With An Extraordinary Sense Of Smell Moths, sharks, fish, and more By Susan E. Matthews May 09, 2013 Science Steve Allen SHARE Smell In Stereo Scientists recently discovered that the Eastern American mole smells in stereo. Because they’re blind and have little use for hearing, moles use stereoscopic smell to determine their location and the location of their prey. Locate A Distant Mate Moths don’t have noses. Instead, they have antennae covered in scent receptors. While they don’t detect every scent well, male silkworm moths can sense a single molecule of female sex hormone from at least a mile away. Detect Specific Proteins Sharks breathe with their gills, so their noses serve only to smell. They are particularly well tuned for hunting. Sharks can sense a prey’s amino acids at concentrations as low as one part per billion. Target a Single Scent Dogs have a keen ability to discriminate among smells. An Auburn tracking dog can follow a single human trail, laid more than 24 hours before, across a campus crisscrossed by tens of thousands of students. forensic science june 2013 Science MORE TO READ RELATED Yes, giant space debris is falling to earth right now. No, it probably won’t hit you. The leftover debris is expected to fall to Earth over the weekend, likely somewhere in the ocean. READ NOW RELATED 14 hypnotizing photos that captured the world in and beyond the pandemic A lot more happened in 2020 than COVID-19.... RELATED Ecstasy is a tool, not a cure-all, for healing trauma There's a reason the therapy is 'MDMA-assisted.'