Green gauges. Organic farming was once a movement of a handful of cranky farmers and muesli-eating Guardian readers. But one morning the world woke up and discovered it was no longer a movement, it was big business. [News Source]

Exposing the organic-farming myth. Now companies from Wal-Mart to General Mills to Kellogg are wading into the organic game, attracted by fat margins that old-fashioned food purveyors can only dream of. [News Source]

PlayStation’s serious side: Fighting disease (Financial Express) Kids aiming to persuade their parents to buy the PlayStation 3 have some new ammunition -- donating their PS3's down time to researchers could help cure Alzheimer's, Parkinson's or mad cow disease. [News Source]

A Sickness Unto Death (New York Times) D. T. Max investigates the horrors of faulty prions, from fatal insomnia to mad cow disease. [News Source]