Related topics: carbon dioxide

Better identification of microscopic fossils

Blue-green algae are one of the oldest organisms in the world and have an important role to play in many ecosystems on Earth. However, it has always been difficult to identify fossils as blue-green algae without any trace ...

Sea ice algae blooms in the dark

Researchers from Aarhus University have measured a new world record: Small ice algae on the underside of the Arctic sea ice live and grow at a light level corresponding to only 0.02 percent of the light at the surface of ...

Five things to know about toxic algae

A massive bloom of blue-green algae has hit four counties in Florida covering beaches along the Atlantic coast with foul-smelling, thick muck.

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