Health - chicagotribune.com: Humans can sniff out 10 basic odors, scientists say

Humans can sniff out 10 basic odors, scientists say

It might seem that the range of scents humans can detect is infinite, but scientists have managed to sort them all into 10 basic categories, ranging f...

Source: http://www.chicagotribune.com/health/la-sci-sn-humans-can-smell-10-basic-odors-20130919,0,893244.story?track=rss