Under the Microscope (image) University of Bonn Share Print E-Mail Caption This image shows brown fat cells under the microscope. Lipids are in red. Credit Photo: AG Alexander Pfeifer/UKB Usage Restrictions This photo may be used with the press release. Share Print E-Mail 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.