Changes in the osmolality of body fluids pose a serious danger to cells and living organisms, which have developed cellular systems to sense and respond to osmotic stress and to maintain homoeostasis ...

Reverse osmosis is a process familiar to most plant operators. Push makeup water through the right kind of membrane with sufficient pressure (osmotic pressure) and you generate a stream with few ...

Estuaries -- where freshwater rivers meet the salty sea -- are great locations for birdwatching and kayaking. In these areas, waters containing different salt concentrations mix and may be sources of ...