Sub-membrane microtubule array, known to prevent excessive glucose-stimulated insulin secretion, depends on kinesin-1 KIF5B, which moves microtubules to both generate and remodel this array, ...

This dual cross-linking design lets the muscle switch stiffness on demand. In lab tests, its stiffness jumps from about 213 kilopascals — soft, like rubber — to 292 megapascals, hundreds of times ...