The trillions of microbes living in the human gut are increasingly recognized as important partners in human health.

Researchers have created a new type of fiber that can perform like a muscle actuator, in many ways better than other options that exist today. And, most importantly, these muscle-like fibers are ...

Engineers at Washington University in St. Louis have developed a new class of protein-based fibers modeled on the aligned structure of animal skeletal muscle, producing materials that resist ...

Most fitness-minded people have probably heard of fast- and slow-twitch muscle fibers. However, the distinction can be somewhat mysterious, especially in the context of understanding how it relates to ...

There’s no doubt that exercise does a body good, including strengthening and toning our muscles. But how exactly does exercise make this happen? As we run and lift and stretch, our muscles experience ...