Prepared specimens (IMAGE) Friedrich-Alexander-Universität Erlangen-Nürnberg Caption Prepared for analysis using an x-ray fluorescence microscope: Fibres from the historical Pazyryk carpet embedded in epoxy resin (left).The image on the right shows standard samples that the researchers fermented and dyed themselves as a comparison. Credit FAU/Dr. Andreas Späth Usage Restrictions Please name alsways the photo source. License Licensed 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.