Acids in wine responsible for the sour taste of vinegar. During fermentation, activity by yeast cells naturally produces a small amount of acetic acid. If the wine is exposed to oxygen, "Acetobacter" bacteria will convert the ethanol into acetic acid. This process is known as the “acetification” of wine and is the primary process behind wine degradation into vinegar. An excessive amount of acetic acid is also considered a wine fault. A taster's sensitivity to acetic acid will vary, but most people can detect excessive amounts at around 600 mg/l. Ascorbic acid, also known as vitamin C, is found in young wine grapes
Death and What Comes Next L-Space Web. Death and What Comes Next "Death and What Comes Next" is a "Discworld" short story by Terry Pratchett. It tells the story of a discussion between Death and a philosopher, in which the philosopher attempts to use the many-worlds interpretation of quantum mechanics to argue death is not a certainty. The story was originally written in 2002 for the now-defunct online puzzle game "TimeHunt" and the text contains a hidden word puzzle, also devised by Pratchett, which provided a codeword for the game. Like "Theatre of Cruelty", another of his short stories, Pratchett allowed it to be put