xLoess : An aeolian sediment formed by the accumulation of wind-blown silt and lesser and variable amounts of sand and clay that are loosely cemented by calcium carbonate. Loess is usually homogeneous, highly porous, and is traversed by vertical capillaries t
Scientists have been taking a close look at special types of bacteria that live in the ocean. These microbes may be tiny, but they play a big part in the nitrogen cycle. The little round bacteria are able...Read more