Ferritin Finger (IMAGE) Michigan Technological University Caption A "hand with victory pointing index finger" outlined by a group of ferritin molecules from horse spleen, shown in this atomic resolution STEM image. Lower left inset showing individual Fe atoms as bright spots inside a single ferritin molecule. Credit Canhui Wang 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.