How to master your sense of smell - Alexandra Horowitz

source: TED-Ed    2017年1月9日
View full lesson: http://ed.ted.com/lessons/how-to-mast...
Some perfumers can distinguish individual odors in a fragrance made of hundreds of scents; tea-experts have been known to sniff out the exact location of a particular tea; and the NYC Transit Authority once had a employee responsible only for sniffing out gas leaks. But can anyone learn to smell with the sensitivity of those experts? Alexandra Horowitz shares three simple steps to a better nose.
Lesson by Alexandra Horowitz, animation by Black Powder Design.