Brewing much studied, the preservative nature of the soft resins is not yet fully understood, though it has been observed that unless stored at a cool temperature, the preservative nature will decrease. Brewing is the sole major commercial use of hops. Yeast is the microorganism that is responsible for fermentation in beer. Yeast metabolises the sugars extracted from grains, which produces alcohol and carbon dioxide, and thereby turns wort into beer. In addition to fermenting the beer, yeast influences the character and flavour. The dominant types of yeast used to make beer are "Saccharomyces cerevisiae", known as ale yeast, and "Saccharomyces
1978 Greenlandic alcohol referendum 1978 Greenlandic alcohol referendum A two-part referendum on alcohol was held in Greenland on 20 June 1978. Voters were asked whether they approved of the banning or rationing of alcohol. The ban on alcohol was rejected by 55% of voters, whilst the rationing proposal was approved by 58% of voters. Following the referendum, rationing was introduced in August 1979. Adults over the age of 18 were limited to 72 "points" per month. A 33cl bottle of beer was equivalent to one point. In addition, a ban on home brewing and importing malt and hops was implemented. The points system led