The mighty researching Banana Slugs of UC Santa Barbara not only have the coolest name in collegiate sports they have created a pretty cool technology that might make the sniffer dog obsolete.
Researchers have used nanotechnology, chemistry and mechanical engineering to pull off a rather amazing product. The thumbnail sized product can detect vapors that bond with the nanoparticles and release a warning that specific vapors have been detected. This is as low as 1ppb. The minute vapors emitted that dogs can find but humans cannot detect are detected by the device and computers.
Not just amazing for what it has done, perhaps vapors emitted by breath that have cancerous or disease-like tendencies are next for what it can do. I am simply amazed by the possibilities. Here is the link to the entire article: http://www.nanowerk.com/news2/newsid=27553.php