When a person goes into deep sleep, waterlike fluid circulates around the brain, washing away metabolic waste that is linked to diseases such as Alzheimer's.

Interesting floodplain dynamics were observed during and after seasonal flooding in northern Japan. The combination of the natural flow patterns of rivers and the complex geomorphology of the ...

The two major flow mechanisms in the vadose zone are uniform flow and preferential flow. Both types of flow occur often simultaneously, but have considerably different consequences for water flow and ...