Sour Beer: The Flavour Bridge Between Cider And Wine
(World News Science)

Most people are familiar with ale and lager. These are two of the three branches of the family tree of beer. Less familiar is the third branch - sour beer. For drinkers who expect beer to be bitter, the sour flavour is completely unexpected. I have a secret weapon for imbibers of cider and wine who claim not to like beer. It is a style called Flanders red ale and it is tart, sharp, tangy, tannic and vinous. Serve it in a wine glass and they are none the wiser. When I display the empty bottle they are invariably astonished....