Skip to main content
Email Print Share

News From the Field

Low Oxygen and Molybdenum in Ancient Oceans Delayed Evolution of Life by 2 Billion Years

March 26, 2008

Clinton Scott and Timothy Lyons A study led by biogeochemists at the University of California, Riverside, has found that a deficiency of oxygen and the heavy metal molybdenum in the ancient deep ocean may have delayed the evolution of animal life on Earth by nearly two billion years. The researchers arrived at their result by tracking molybdenum in black shales. Molybdenum, a key micronutrient for life, serves as a proxy for oceanic and atmospheric oxygen amounts. Full Story

University of California - Riverside

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.

 Get News Updates by Email 

Useful NSF Web Sites:
NSF Home Page:
NSF News:
For the News Media:
Science and Engineering Statistics:
Awards Searches: