Nanostars (IMAGE) Duke University Caption A close-up view of a handful of nanostars used to create a new type of cancer diagnostic. Credit Tuan Vo-Dinh, Duke University Usage Restrictions None 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.