Building muscles: Muscle stem cells (their nuclei marked in blue) gradually alter their structure and function, becoming adult muscle cells (whose nuclei turn red). Those cells will eventually fuse ...

Our biceps and our brain cells may have more in common than previously thought. New research led by the Lippincott-Schwartz Lab shows that a network of subcellular structures similar to those ...

Humans have long glamorized suffering, hailing it as an essential ingredient of growth. In the ancient Greek tragedy Elektra, Sophocles wrote: “Nothing truly succeeds without pain.” In the 1980s, the ...