How the Post Office Sniffs Out Anthrax Before It Hits Your Mailbox

The Amerithrax case of 2001, in which letters harboring Anthrax spores were delivered to media outlets and a pair of US Senators' offices, killed five people and sickened another 17. In the wake of these attacks, the US Postal Service (USPS) installed a system of electronic noses in mail processing facilities around… » 4/18/13 11:37am 4/18/13 11:37am