Hidden inside every organ, microscopic fibers form a scaffolding that quietly shapes how we move, think, and heal. For the first time, scientists have produced detailed maps of these fiber webs across ...

Step aside, Fitbit. Data-driven fitness gadgets have nothing on this: A tiny, wearable microscope catches glimpses of muscles in action. The mini microscope, described in the Dec. 16 Neuron, can track ...

Skeletal muscle is the type of muscle that controls movement. Problems with these muscles can be minor, life-threatening, or ongoing problems that make it hard to perform basic daily activities.