Reading the Past in Old, Urine-Caked Rat’s Nests

February 20, 2020/ Marion Renault / Environment, Journalism, New York Times, North America

Published by The New York Times Science & Environment

Scientists worked out what lived in part of the Western United States tens of thousands of years ago by studying DNA found in pack rat middens.

Read the full article at: https://www.nytimes.com/2020/02/20/science/packrat-nests-dna.html