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Mollusks maintain the symmetry of their pearls by adjusting the thickness of each layer of shimmering nacre. If one layer of the pearl’s nacre is thinner, the next layer is thicker and will balance ...
Viruses are hurting Japan's pearl oysters. Now scientists are working to figure out how to make the oysters more resilient. By Laura Baisas Published Nov 10, 2022 10:00 AM EST Get the Popular Science ...
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