Better Artificial Nose Inspired By Sniffer-dogs
Saturday, February 14, 2009 - 19:35
in Biology & Nature
For the sensitive work of detecting explosives and drugs in airports and other high-risk areas, humans have long relied on a marvel of evolutionary biology: the sniffer dog. The canine nose can detect a seemingly infinite range of odors, alone and in combination, at concentrations down to the parts per trillion level.