Fluorescence in the Brain of a Living Mouse (image) University of Bonn Share Print E-Mail Caption The emanating beams of light can be measured through the top of the skulls. The degree of fluorescence is reflected through colors, whereby the intensity decreases from red to violet. Credit © Image: Karen von Loo/Laboratory of Albert Becker 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.