Field work in Panama (IMAGE) Cornell University Caption Field assistant Pedro Luis Castillo-Caballero glues antennas to feeders for radio frequency ID experiment in Gamboa, Panama. Credit Photo by Jay Falk. Usage Restrictions Only for use with stories about this research. 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.