LiveTag Metal Tags (IMAGE) University of California - San Diego Caption Printed thin, flexible LiveTag tags in comparison with a piece of photo paper (far left). Credit Xinyu Zhang <em>et al</em>. Usage Restrictions Please credit: Xinyu Zhang et al. 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.