Milk Cartons That Glow When The Milk Goes Sour?

A grocer offering milk cartons that glow when their milk turns sour and a programmable soft drink that will change its flavor to a consumer's whim. These are two of the more unusual ways nanotechnology may impact retailers in the next few years, according to this fascinating story in Australia's Sydney Morning Herald.

While the product capabilities can be exciting, the potential health hazards are better described as terrifying. If groceries of any kind are among your SKUs, you should check this piece out.