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The Arctic Research Consortium of the U.S. (ARCUS) was created in 1988 with the goal of facilitating discussion of important arctic research initiatives, and also producing science reports with research community...
The Arizona-Sonora Desert Museum (ASDM) has been quite the authority on this unique region of the United States for well over 50 years. With funding from the Institute of Museum and Library Services (IMLS), they have...
For well over one hundred years, The Arnold Arboretum has sent scientists to document and explore the various corners of Asia. In the early 1920s, the Arboretum sent an expedition that remained in the Hengduan Mountain...
This description of the fossil record of bacteria focuses on one particular group of bacteria, the cyanobacteria or blue-green algae, which have left a fossil record that extends far back into the Precambrian. The oldest...
Beartracker's Animal Tracks Den is an excellent comprehensive "online field guide to tracks and tracking." The site includes animal track images, photos, as well as information about mammals, reptiles, birds, insects,...
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