Magnetofossils (IMAGE) University of Utah Caption Transmission electron microscope images of magnetofossils with examples of cuboctahedra (top center, rounded) and elongated prisms (bottom center, square). Credit Courtney Wagner/University of Utah Usage Restrictions Credit as indicated 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.