Tear (image) University of Limerick Share Print E-Mail Caption Aimee Stapleton, IRC EMBARK Postgraduate Fellow at University of Limerick and lead author of The Direct Piezoelectric Effect in the Globular Protein Lysozyme published on October 2 in Applied Physics Letters. Credit Photo by Sean Curtin, True Media. Usage Restrictions This image is licensed for use in connection with this story only and must include appropriate caption or credit. Share Print E-Mail 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.