Can we figure out what things smell like just by looking at them?
Tongues and eyes don’t give scientists much of a problem. Noses, though, are another story altogether. It’s hard to organize different types of scents. Tastes are categorized into five well-known groups, colors can be labeled and assigned by their component wavelengths, but odors have been much more …
Melanie Wright flipped this story into Science•3843d