The glymphatic system is responsible for removing waste that builds up in the brain while we sleep. First discovered in 2013, scientists are still trying to understand how it works. In a series of new ...

Sewage pollution in the Thames has been a problem for centuries. A new art installation at Science Gallery London explores the history, engineering, geography and science of human waste in the river.

Stanford University researchers have built a photovoltaic-thermal electrochemical stripping system that extracts fertilizer nutrients from human urine. They say the system could provide a ...