RIGHT OUT OF THE OVEN: Kaley Laird holds a freshly baked sourdough boule at The Rhu. The pastry chef nourishes a 6-year-old sourdough starter named Troubles that she made in San Francisco out of trub, ...

Beer is made by fermenting malted grains, hops, water, and yeast. Small changes in ingredient amounts and production result in a vast array of beers.

Hops give ale prized floral flavoring but it comes with environmental costs. In the United States alone, producing these plants requires 100 billion liters of water per year. Scientists, however, were ...