Cracking the mystery of nature’s toughest material

ANN ARBOR—Nacre, the rainbow-sheened material that lines the insides of mussel and other mollusk shells, is known as nature’s toughest material. Now, a team of researchers led by the University of Michigan has revealed precisely how it works, in real time. More commonly known as mother-of-pearl, nacre’s combination of hardness and resilience has mystified scientists … Continue reading Cracking the mystery of nature’s toughest material