Calcium is a mineral that’s crucial for many bodily processes. Here are the four best calcium supplements, according to registered dietitians.

A deadly algae bloom that has killed nearly eight million Atlantic salmon being farmed in northern Norway appears to be dispersing, according to the Norwegian Directorate of Fisheries. The bloom, ...

Although aeration is not highly effective in controlling aquatic weed, it can help control algae growth and can produce a shift in species from noxious cyanobacteria (blue-green algae) to desirable ...

The structuring role of macrophytes on plankton community composition and bacterial metabolism in a large subtropical shallow lake O papel estruturador das ...