How smell works | Unexplainable
A preview of Unexplainable, Episode 2: No one nose.
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Show Notes
Believe it or not, scientists still don’t know exactly how the sense of smell works. But they’re looking at how powerful it is — dogs can actually sniff out cancer and many other diseases — and they’re trying to figure out how to reverse engineer it. In fact, one MIT scientist may have built a robot nose without completely understanding how his invention works.
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