Toxic 'marine snow' can sink quickly, persist at ocean depths

In a new study, researchers from North Carolina State University found that a specific neurotoxin can persist and accumulate in "marine snow" formed by the algae Pseudo-nitzschia, and that this marine snow can reach significant ...

Toxic waters and climate change—how are they linked?

It is imperative that society learn more about how climate change contributes to episodic and very severe water quality impairments, such as the harmful algal bloom that caused Florida to declare a state of emergency earlier ...

Researchers monitor 'red tides' in Chesapeake Bay

Researchers at the Virginia Institute of Marine Science continue to monitor the algal blooms that have been discoloring Chesapeake Bay waters during the last few weeks. These "red tides" occur in the lower Bay every summer, ...

Image: Reindeer Island

The Copernicus Sentinel-2 mission takes us over part of Lake Winnipeg in the Canadian province of Manitoba, with Reindeer Island visible in the lower-right part of the image.

What causes algal blooms to become toxic?

The disastrous 2015-16 Dungeness crab season, delayed and shortened by an unprecedented bloom of toxic algae, is a bitter memory for the West Coast fishing industry. The culprit was domoic acid, a potent neurotoxin produced ...

Veritable powerhouses—even without DNA

Whether human beings or animals, plants or algae: the cells of most life forms contain special structures that are responsible for energy production. Referred to as mitochondria, they normally have their own genetic material, ...

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