Scientists Sequence Woolly-Mammoth Genome (2 of 3) (image) Penn State Share Print E-Mail Caption Ball of permafrost-preserved mammoth hair containing thick outer-coat and thin under-coat hairs. Credit Stephan Schuster lab, Penn State Usage Restrictions The credit information must be published along with the image. 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.