image: A nanoscale view of the wood's natural nanostructures shows how the fibers are closely aligned in the direction the tree grew. This material relates to a paper that appeared in the May 24 issue of Science, published by AAAS. The paper, by T. Li at University of Maryland in College Park, Md., and colleagues was titled, "A radiative cooling structural material." view more
Credit: [Credit: University of Maryland]