Study shows higher coffee consumption leads to higher death rates in drinkers under 55. [The Guardian] Nitrogen-fixing bacteria could help eliminate artificial fertilizer in crops. [Treehugger] Intermittent nature of green power is a challenge for utilities companies. [NYT] General Mills seeks definition of "whole grain" from the FDA. [Food Politics] Edible food wrappers protect food, taste great, and reduce waste. [CNN]