4min chapter

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas cover image

201 | Ed Yong on How Animals Sense the World

Sean Carroll's Mindscape: Science, Society, Philosophy, Culture, Arts, and Ideas

CHAPTER

Smell and Taste Are Not the Same, Right?

i would have intuitively thought that my personal sense of taste is more subtle, and then my sense of smell, maybe im jus not very good at smelling things. But i get the feeling that there's a molecular kind of fit and lock and key mechanism going on when we talk about the sense of taste and smell. There are receptors that are specially shaped that to recognize different molecules around us. And those receptors are the sort of fundamental lego bris that our sense of smell operates on. The universe of possible smells is huge, er ander, and certainly more vast than  our genetic repertoire of odor receptors. So has to be this quite complicated, combinatorial code that

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