Soot Superagregattes from Wildfires (image) Desert Research Institute Caption These images show typical soot superagregattes observed with an electron microscope in wildfire smoke samples collected from three fires in Northern California, New Mexico and Mexico City. Credit Desert Research Institute Usage Restrictions Please contact Justin Broglio prior to photo use. Additional photos available upon request. 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.