image: A tree cross-section collected from remnant (dead) wood. This material relates to a paper that appeared in the June 7, 2017, issue of Science Advances, published by AAAS. The paper, by E.K. Wise at University of North Carolina at Chapel Hill in Chapel Hill, N.C., and colleagues was titled, "Reconstructed storm tracks reveal three centuries of changing moisture delivery to North America." view more
Credit: [Credit: Erika Wise]