(Sciepro/Science Photo Library/Getty Images) With age comes wisdom – and, apparently, some rusty plumbing in the old noggin.

How does the brain take out its trash? That is the job of the brain's lymphatic drainage system, and efforts to understand how it works have pushed the boundaries of brain-imaging technologies. A new ...

Cell and Science papers pit Anjali Kusumbe and Ralf Adams against each other on whether healthy bone contains lymphatics ...

For once, the Greeks had no word for it: they neither understood nor named the body’s system of glands and connecting channels through which colorless fluids flow. The Romans did coin a name, but for ...