Researchers Get to the Bottom of Fairy Circles (1 of 3) (image) University of Göttingen Share Print E-Mail Caption Excavations in a fairy circle. Three of the co-authors of the study are Dr Todd E. Erickson, Dr Hezi Yizhaq and Dr Miriam Muñoz-Rojas (from left to right). Credit Stephan Getzin Usage Restrictions None Share Print E-Mail 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.