Sparkling snow (IMAGE) Norwegian University of Science and Technology Caption What actually makes the snow sparkle on beautiful days? Understanding the nuances of the answer can help with everything from better avalanche forecasting to safer winter road conditions. Credit Photo by Mathieu Nguyen. Usage Restrictions Use only in association with articles about this research and with proper credit. 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.