A Self-Healing Sweat Sensor (Video) (image) American Chemical Society Share Print E-Mail Caption A newly developed headband can measure electrolyte levels in sweat and can heal itself when cut or scratched during exercise. Credit American Chemical Society Usage Restrictions Video may only be used with the appropriate 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.