I loved chapter 8. It was BY FAR the easiest flowing chapter in this book so far. The intro to this chapter was good and it paved the road for the rest of this chapter. It allowed the rest of the chapter to be really smooth.

Eventho the best analogy for smell comes from music, I like the lock-and-key mechanism better.

Buck and Axel's discoveries including their discovery in the olfactory epithelium was intriguing as well.

This chapter also shed some light on how dogs are such amazing trackers, by showing us how jaw less fish reveal a very important point.

I look forward to reading the next chapter about my favorite sense, sight :D.