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Warm oceans helped first human migration from Asia to North America（图）
Warm oceans first human migration Asia to North America
2020/12/31
New research reveals significant changes in the circulation of the North Pacific Ocean and their impact on the initial migration of humans from Asia to North America.The U.S. National Science Fou...
NSF awards fifth round of grants to enhance America's biodiversity collections
NSF fifth round of grants America's biodiversity collections
2015/9/9
Slime molds, smut fungi, powdery mildew: These are some of the millions of microfungi documented in biological institutions across America.These ubiquitous microscopic organisms play important ecologi...
Dirt mounds made by termites in Africa, South America, Asia could prevent spread of deserts
Dirt mounds termites Africa South America Asia could prevent spread of deserts
2015/3/4
Termites might not top the list of humanity's favorite insects, but new research suggests that their large dirt mounds are crucial to stopping deserts from spreading into semi-arid ecosystems.The ...
Hummingbird evolution soared after they invaded South America 22 million years ago
Hummingbird evolution soared after they invaded South America 22 million years ago
2014/4/16
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) 2014, its budg...