Dogs' Noses May Improve Bomb-Sniffing Devices

We all know that dogs' noses are much better than ours. Not only do canines have 50 times more olfactory receptors than humans, they also have a much better technique for inhaling samples of air. Scientists at the U.S. National Institute of Science and Technology, NIST, unlocked that secret. VOA's George Putic reports.

© La Voix de l'Amérique - samedi 24 décembre 2016