OMG sciencefromNature1 month agoHow DNA in dirt is shaking up the study of human originsAncient DNA can be recovered from sediments, revolutionizing the study of extinct species and the history of ecosystems.
US newsfromwww.npr.org11 months agoHells Canyon, the deepest gorge in the U.S., is surprisingly youngHells Canyon was carved 2.1 million years ago by overflowing lake waters, providing insight into its geological origins.