Tag archives for environment

How zebrafish sense calcium

Calcium is very important for the normal development, growth and survival of most vertebrates. Therefore, regulation of calcium intake and disposal is well-controlled. Mammals obtain most of their calcium from the diet, whereas fish obtain calcium by absorbing it from the external environment. For adults, this occurs in the gills and for larvae it is…

The mystery of deformed frogs

Since 1995 deformed frogs have been turning up. Call them the canaries in the coal mine for environmental health. Frogs are showing signs of some kind of stress. So is it a parasite? Pollution? A natural phenomenon? Cannibalism? Fungus? Ultraviolet light? Something in the water? Video from YouTube The tap water data referred to in…

Adapting to the environment

I just watched a neat video describing how animals adapt to their environments to increase survival: