Rivers in the Southwest are increasingly intermittent: flowing when it’s wet, but converted to a series of isolated pools when it’s dry. This has major effects on the types of aquatic plants and animals that live in and near rivers. As part of a new $3 million NSF grant, Ben Ruddell and Abe Springer are working to develop a smartphone app that lets everyone contribute to documenting dry and wet river conditions. Read more at NAU News.