Cheese's ability to stay good for long periods ... Bitto Storico isn't cheap: a 15-year-old wheel once sold for $6,400 in China. Younger varieties (Bitto Storico must be aged for a minimum of ...

Scientists have found traces of what they believe is the world's oldest cheese. It was made 7,000 years ago in what is now Croatia. An international team, including Heriot-Watt university ...