image: Magnified photo of the mAra-containing white coating. This material relates to a paper that appeared in the Dec. 12th, 2018, issue of Science Advances, published by AAAS. The paper, by Péter Németh at Hungarian Academy of Sciences in Budapest, Hungary, and colleagues was titled, "A nanocrystalline monoclinic CaCO3 precursor of metastable aragonite." view more
Credit: Christoph Spötl (University of Innsbruck)