Smelly facts

- Taste is 75% smell. - Moth's can identify a single molecule among others by its smell. - Dogs can distinguish non-identical twins by smell, but not identical ones. - You cannot "imagine smell." - Dogs can smell cancerous tumors in people. - Women have a keener sense of smell than men do. - By simply smelling a piece of clothing, most people can tell if a woman or man was wearing it. - Each of us has an odor that is unique, just like our fingerprints. - According to some sources, the stethoscope was invented not to hear the heartbeat better, but to give the doctors some distance from a patient's bodily odors. - Much of the thrill of kissing comes from smelling the unique odors of another's face. - Smells stimulate learning. Students given olfactory stimulation along with a word list retain much more information and remember it longer. - Many smells are heavier than air and can be smelled only at ground level. - We smell best if we take several short sniffs, rather than one long one. - Dogs have 1 million smell cells per nostril and their smell cells are 100 times larger than humans are. - Humans use insect warning/ attraction chemicals, called pheromones to keep away/ attract pesky insects. - People who cannot smell have a condition called Anosmia.