“A red wine’s provenance is key to its value, taste and prestige, and now a machine may be able to protect the finer variety from pale imitations.

Scientists have found a standard piece of chemistry equipment and a machine-learning algorithm can take any wine and show, with total accuracy, which estate made it.

A trial on 12 vintages from seven different Bordeaux chateaux found gas chromatography was able to perfectly determine the geographical origin of a glass of French red.”

From Telegraph.