http://blog.breweryhistory.com/2009/07/21/amber-ale-brewing-beer-from-45-million-year-old-yeast/ Welcome to the Brewery History Society blog, the forum to discuss British brewery history. We are NOT a campaigning group so no offensive remarks please. Thu, 17 May 2012 07:15:10 +0000 http://wordpress.org/?v=2.2.1