16x9_Vandana Sampathkumar lab3x (IMAGE) DOE/Argonne National Laboratory Caption Vandana Sampathkumar holds a 4-inch silicon wafer that has hundreds of ultrathin serial electron microscopy sections used to collect thousands of mice brain images to study cells in the thalamus. This wafer goes into the scanning electron microscope for imaging. Credit (Image by Nidhi Sharma, University of Chicago.) Usage Restrictions none 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.