A 91-year-old man with a history of bladder carcinoma and left total knee arthroplasty was evaluated because of left knee pain. A culture of synovial fluid showed no growth. A diagnosis was made.

Researchers have discovered and characterized at the atomic level a mechanism that enables bacterial pathogens—including ...

Cells rely on biomolecular condensates to coordinate essential biological processes without surrounding membranes. These droplet-like dynamic assemblies control the way in which DNA is turned into ...

Compared to previous theories, the current research emphasizes the complexity of the biological and chemical processes that brought about life.