Dr. Alex Johnson (IMAGE) University of Adelaide Caption Dr. Alex Johnson is the lead investigator in a project to increase iron content in rice and other cereal grains. Credit Cobi Smith Usage Restrictions Only to be used in relation to this story 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.