FingerPrick (IMAGE) West Virginia University Caption WVU researcher Nima Karimian works with various sensors used to measure biosignals, testing whether they can help to alleviate security flaws in commonly used biometric systems. Credit WVU Photo/Maddy Watson Usage Restrictions NONE License Original 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.