Lichen partnerships challenged by changes in the Northwoods

Lichen, which people may think of as a single organism, is in fact a community of several species that depend on each other for survival. Lichen symbiosis includes at least one fungus and one alga, along with other fungi ...

US launches satellite to better prepare for space weather

The United States on Tuesday launched a new satellite expected to significantly improve forecasts of solar flares and coronal mass ejections—huge plasma bubbles that can crash into Earth, disrupting power grids and communications.

Thirty years of change of fish communities in South China Sea

Daya Bay is a representative semi-enclosed bay in the South China Sea, with a variety of ecosystems including mangroves, coral reefs, shelves, estuaries, salt marshes and quagmires. It is an important spawning ground, feeding ...

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Sea

The term sea refers to certain large amounts of water, but there is inconsistency as to its precise definition and application. Most commonly, a sea may refer to a large expanse of saline water connected with an ocean, but it is also used sometimes for a large saline lake that lacks a natural outlet, e.g. the Caspian Sea. Colloquially, the term is used as a synonym for ocean. Additionally, large lakes, such as the Great Lakes of North America, are occasionally referred to as "inland seas".

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