Telomeres (IMAGE) Instituto Gulbenkian de Ciencia Caption Telomeres (in green) are at the tips of chromosomes (in red). Credit Jose Escandell, IGC Usage Restrictions This image can only be used to illustrate this news. 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.