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 ...

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Muscles aren’t just for athletes and bodybuilders. Whether you’re walking to the corner store in West Philly, dancing in Germantown, or recovering from surgery in North Philly, your muscles are ...

Diseases of the muscles are numerous. Sadly, most of them are distressing, and in some cases life-threatening. Muscles ...