Disco Clam (image) University of California - Berkeley Caption The disco or electric clam, Ctenoides ales, continually flashes light along the lip margins of its mantle. UC Berkeley graduate student Lindsey Dougherty discovered that the mirrored lips are composed of packed nanospheres ideal for reflecting the blue light prevalent underwater. Credit Lindsey Dougherty, UC Berkeley Usage Restrictions None 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.