Across the United States, fields of genetically engineered crops have become laboratories for the evolution of glyphosate-resistant (GR) weeds. These fast-growing “super weeds” — resistant to the highly effective herbicide glyphosate — are cutting crop yields and raising costs for farmers, whose only recourse is to spray more and different chemicals. Read the ChronicleOnline article,…Continue Reading Scientists aim to sustainably outsmart ‘super weeds’