Video: Bioluminescence: Living light in the deep sea

A dive into the deep sea is like a trip to outer space. The descent into darkness reveals twinkling lights. Sunlight cannot penetrate to these depths. Instead, this light show comes from the animals that live here. Scientists ...

How a contagious cancer spread among clams

A contagious blood cancer jumped from one species of clam to another and spread among clams living in the Atlantic Ocean and Mediterranean Sea, shows a study published today in eLife.

Coastal erosion may force retreat from the sea

Giving up land to the sea needs to be one of the options considered for responding to serious erosion events along our coastline, says a University of the Sunshine Coast researcher.

The Mekong Delta in Vietnam is sinking. Can sediment save it?

In Vietnam's Mekong Delta, home to about 17 million people, large areas of land have been poldered for the cultivation of crops such as rice and shrimp. At the moment, the delta is on average less than a meter above sea level. ...

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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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