Scientists from Utah State University and the US Environmental Protection Agency discovered that the frequencies of occurrence of hundreds of insect species inhabiting streams have been altered relative to the conditions ...
Dec 01, 2016 in Ecology
About 14,000 years ago, the southwest United States was lush and green, home to saber-toothed cats and mammoths. Meanwhile, the Pacific Northwest was mostly grassland.
Nov 29, 2016 in Earth Sciences