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News From the Field

Evidence for a Persistently Iron-rich Ocean Changes Views on Earth's Early History


September 7, 2011

photo of geologists digging into a shale exposure University of California, Riverside, researchers report that the ancient deep ocean was not only devoid of oxygen, but also rich in iron, a key biological nutrient, for nearly a billion years longer than previously thought--right through a key evolutionary interval that culminated in the first rise of animals. "We will need to rethink all of our models for how life-essential nutrients were distributed in the ocean through time and space," the authors say. Full Story

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University of California, Riverside

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The National Science Foundation (NSF) is an independent federal agency that supports fundamental research and education across all fields of science and engineering. In fiscal year (FY) 2016, its budget is $7.5 billion. NSF funds reach all 50 states through grants to nearly 2,000 colleges, universities and other institutions. Each year, NSF receives more than 48,000 competitive proposals for funding and makes about 12,000 new funding awards. NSF also awards about $626 million in professional and service contracts yearly.

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