Smartphone app could alert you to cancer-causing chemicals in meat - Daily Mail

The film changes colour based on levels of nitrates. An app then analyses the colour and gives a nitrite concentration value, report experts at Universidad de Burgos, Spain.

A new smartphone app could alert users to cancer-causing chemicals in processed meats like sausages, ham, bacon and salami.  Scientists in Spain have created a system that includes a colour-changing… [+6032 chars]

full article...