Why is there a North/South divide when it comes to beer head and does Guinness really need to be poured in stages? The Lock In team tackle that and other issues around the concept of the perfect serve.
Drought is a perfect moment for Minnesota museum s Many Waters startribune.com - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from startribune.com Daily Mail and Mail on Sunday newspapers.