How many smells can you identify? Which ones are your favorites and which ones do you really not like? Stop and make a list, because it’ll be an amazingly long and diverse list.
As it turns out, adults can distinguish around 10,000 different smells. And these smells not only trigger our memories but can also change the way our foods taste. (Give this classic apple vs potato experiment a spin.)
There’s more TED-Ed in the archives.