News From the Field
Six Million Years of Savanna
August 3, 2011
University of Utah scientists used chemical isotopes in ancient soil to measure prehistoric tree cover--in effect, shade--and found that grassy, tree-dotted savannas prevailed at most east African sites where human ancestors and their ape relatives evolved during the past six million years.
University of Utah
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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) 2017, 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.
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