Fractals (IMAGE) University of Wisconsin-Madison Caption Under ultra-high magnification, the researchers found distinctive fractal shapes spreading along pyrite grains after their chemical soups went through multiple generations. The researchers believe these fractals are salty deposits induced to form by a thin layer of organic material spread along the mineral. Credit Image courtesy of the David Baum lab Usage Restrictions None 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.