Many mollusks sport a lovely shimmer on the inside of their shells from nacre, an iridescent substance made primarily from aragonite (a form of calcium carbonate). Scientists have made a cheap, efficient recipe for synthetic nacre that could one day be widely used as a heat shield for everything from cars to aircraft to sensitive electronics. Credit: iStock.com/Fyletto . . . . . . . . . #science #ilovescience #scienceisawesome #sciencenerd #scienceisfun #sciencelife #scienceiscool #mollusk #scienceexperiment #sciencerocks #sciencegeek #scienceclass #sciencefact #scienceandtechnology #sciencecommunication #scientistoftheweek #photooftheday #potd #instaphoto #photography #photographer #instaphotographer #worldsciencefestival