Individual Nucleon in Outermost Shell (IMAGE) University of Warsaw, Faculty of Physics Caption Individual proton or neutron in outermost shell of large atomic nucleus turns out not to behave according to the predictions made by existing theoretical models. This surprising conclusion was reached by an international team of physicists including staff members from the Faculty of Physics at the University of Warsaw. Credit ©Faculty of Physics, University of Warsaw Usage Restrictions the image may only be used with appropriate credit (Source: FUW) 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.