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A Diatom Helix
This beautiful marine diatom Chaetoceros debilis was caught in the North Sea. Not...
A Bloom of Moon Jellies
In recent years, blooms of jellyfish, such as these moon jellies (Aurita aurita) in...
Sea Level Rise
The ocean never stops moving. When you visit the beach, waves roll in and recede...
Sea Ice Extent
Every year the Arctic sea ice grows and shrinks in accordance with the seasons. The...