image: Cross-sectional transmission electron microscope images of the inner structure of supraballs. Scale bars 500 nanometers. This material relates to a paper that appeared in the Sept. 15, 2017, issue of Science Advances, published by AAAS. The paper, by M. Xiao at The University of Akron in Akron, OH, and colleagues was titled, 'Bioinspired bright noniridescent photonic melanin supraballs.' view more
Credit: [Credit: Ming Xiao at the University of Akron]