fantasy city (IMAGE) Penn State Caption Researchers find that supply chain diversity boosts resilience of cities to food shocks. This image illustrates the food supply chain with flying corn, a loaf of bread, a delivery truck, etc., illustrating where food is sourced from. Credit Victor O. Leshyk, Center for Ecosystem Science and Society, Northern Arizona University Usage Restrictions non commercial use only License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.