Unique historical baseline reveals dramatic changes in composition of Sargassum
For centuries, pelagic Sargassum, a floating brown seaweed, has grown in low nutrient waters of the North Atlantic Ocean, supported by natural nutrient sources such as excretions from fish and invertebrates, upwelling, and nitrogen fixation.
Researchers develop new software for improved space weather prediction
The surface of the sun churns with energy and frequently ejects masses of highly magnetized plasma toward Earth. Sometimes these ejections are strong enough to crash through the magnetosphere — the natural magnetic shield that protects the Earth — damaging satellites or …
