Nebraska researchers (IMAGE) University of Nebraska-Lincoln Caption Nebraska’s Karrie Weber (far right) directs fellow Husker researchers on how to test for uranium levels in the groundwater near Alda, Nebraska. The team experimentally confirmed that nitrate, a compound common in fertilizers and animal waste, can help transport naturally occurring uranium from the underground to groundwater. Credit Daugherty Water for Food Global Institute Usage Restrictions Credit must be given to the creator. Only noncommercial uses of the work are permitted. No derivatives or adaptations of the work are permitted. License CC BY-NC-ND 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.