In a large-scale environmental DNA metagenomic study of ancient plant and mammal communities, an international team of researchers have analyzed 535 permafrost and lake sediment samples from across the Arctic spanning the past 50,000 years. A trio of woolly mammoths (Mammuthus primigenius) trudges over snow covered hills; behind them, mountains with snow covered peaks rise above dark green forests of fir trees. Image credit: Daniel Eskridge. “Scientists...
