No one nose

Believe it or not, scientists still don't know 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. For further reading, sign up
for our newsletter here: http://vox.com/unexplainable-newsletter
Show transcript and articles at: http://vox.com/unexplainable
Article on quantum nose theory: https://bit.ly/3clurfs Email us!
unexplainable@vox.com We read every email. Learn more about your ad
choices. Visit podcastchoices.com/adchoices