This Artificial Snout Knows Stout And Lager, Pilsner, And Ale

British beer drinkers are a finicky lot. Their stubborn preferences support hundreds of local brands--all with a subtly different taste and aroma. To maintain quality, brewmasters depend on beer sniffers with highly educated noses. Now, scientists at the University of Warwick in Coventry have invented an artificial nose that may rival the sensitivities of the professional smellers.

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