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This blue-green microbe called a cyanobacterium was likely the first photosynthetic...
Tardigrades, which are usually less than 1 mm long, can be found in almost every...
Ice Melt at the Poles
It’s confirmed: both Antarctica and Greenland are losing ice—around 350 billion...
Ice Melt in Iceland
On average, Arctic sea ice has decreased by four percent per decade since the late...
Marine Sanctuary Map
The United States has a network of protected areas in the waters off our coasts....