Microgreens (IMAGE) Penn State Caption A collection of microgreens that are being tested for robust growth and nutritional properties in one of Penn State's greenhouses. Credit Francesco Di Gioia, 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.