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Displaying 61 - 63 of a total of 63 items
December 07, 2017
What grows in arid, sandy soils? How do these soils become dust?
Many small organisms, such as bacteria and fungi, grow among the sand and silt particles in dry valley and desert soils. At the soil’s surface, these organisms often form biological webs (“microbiotic crusts”) that keep small sand...
September 25, 2017
The Need for Groundwater Management: Sustaining water supplies and preventing hazards
In California, surface water from rainfall, snowmelt, and distant rivers rarely meets the state’s urban and agricultural water needs. Groundwater is an essential water source, providing 35% of the fresh water...
August 18, 2010
The NSF Graduate Fellowship program conferred an average of 927 graduate fellowships per year between 2000 and 2008, the majority (56-59%) of which were awarded to graduate students in the life sciences and engineering fields. During this period, approximately 3.5 percent of NSF graduate...
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