PlantVillage Nuru App Screenshot (IMAGE) Penn State Caption PlantVillage Nuru may help African farmers protect their staple crops -- such as maize, cassava and beans -- in the face of climate warming. Credit David Hughes, Penn State Usage Restrictions None 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.