Erin Spear Searching for Tree Seeds (IMAGE) University of Utah Caption University of Utah biology doctoral student Erin Spear stands in front of a 150-foot-tall giant rainforest tree, Ceiba pentandra, in a Panama forest as she hunts for tree seeds for a study that found seedling-killing diseases actually help increase the diversity of tree species in forests. Credit Joseph Sertich, Denver Museum of Nature & Science. 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.