Microtubules, the dynamic filaments that form the cell's internal scaffolding, have long been viewed as mere passive ...

Schematic of an active cell membrane. In a typical active biological process, active proteins (shown in a variety of colors) in a cell membrane (shown in blue) interact with various biological ...

Cervical epithelial cells are far from passive bystanders in the body's immune system. New research shows they actually play an active and highly coordinated role in detecting and fighting infections.