image: Paleogenomic researcher Mathias Stiller works to recover a mammoth tusk that is frozen in the permafrost soil in the Klondike gold fields, Yukon Territory, Canada. This image relates to a paper that appeared in the 24 Jan., 2014, issue of Science, published by AAAS. The paper, by B. Shapiro at the University of California, Santa Cruz in Santa Cruz, CA, and colleagues was titled, "A Paleogenomic Perspective on Evolution and Gene Function: New Insights from Ancient DNA." view more
Credit: [Image courtesy of Tyler Kuhn]