Scientists Sequence Woolly-Mammoth Genome (1 of 3) (image) Penn State Share Print E-Mail Caption Penn State genomicists Webb Miller and Stephan C. Schuster in front of the Roche / 454 Life Sciences' Genome Sequencer 20 System that was used to sequence mammoth DNA. Credit Penn State University 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.