The Scented Marker Challenge
[http://youtu.be/U8F9ewlroRk] (YouTube link)Tommy Edison (previously at Neatorama) takes a challenge: identify the colors of markers by their smell. Edison has been blind since birth, so he only knows colors by what he's...
https://www.neatorama.com/2013/12/26/The-Scented-Marker-Challenge/