Test yourself in this true or false quiz. The approximate number of California wineries is 150.
Winemakers cover the cork on a bottle of wine with foil because it helps keep out mold.
Professional wine tasters never swallow so they don't get intoxicated. Serving wine in suitable glassware can make it taste better. Small pieces of cork floating in wine means it has been contaminated by a diseased cork. Scientific studies have shown that sweetness and bitterness are perceived differently by the tongue at different temperatures. Ullage is a red variety originating in the region of Ullage, Hungary.