Moving toward faster, more accurate detection of food- and water-borne bacteria

Food poisoning is a scourge. Yet preventing it is far from foolproof. But in a new study, scientists report that they are closing in on a way to use a combination of color-changing paper and electrochemical analysis — on plastic transparency sheets or simple paper — to quickly, cheaply and more accurately detect bacterial contamination of fruits and vegetables in the field before they reach grocery stores, restaurants and household pantries.

(via WSJ)