By John Roach

Food

Water for Beer on a Hopped-Up Planet

Beer is about 90 percent water. This fact weighed on Rasmus Broge as he mulled an opportunity to help launch the first microbrewery in Greenland.

Ancient Barley Could Help Farmers Adapt to Changing Climate

DNA has been recovered from an ancient form of barley that persisted for more than 3,000 years and the tastes of five civilizations in Egypt's upper Nile.
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