Fossil Tree (IMAGE) Smithsonian Tropical Research Institute Caption Paleontologist Edwin Cadena poses next to giant, fossilized (permineralized) tree on Peruvian Central Plateau. Credit Carlos Jaramillo, Smithsonian Tropical Research Institute Usage Restrictions Credit: Carlos Jaramillo, Smithsonian Tropical Research Institute 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.