The National Academies of Sciences, Engineering, and Medicine are private, nonprofit institutions that provide expert advice on some of the most pressing challenges facing the nation and world. Our ...
Ask a geoscientist how he or she feels about the phrase, "out of sight, out of mind," and you likely will meet some serious resistance. The scientist likely would explain that learning how different ...
Wetlands like freshwater ponds, swamps, and marshes are excellent natural water purifiers. They are also uniquely equipped to improve water clarity and quality through the removal of kicked-up ...
Although constructed wetland treatment systems have been used in a variety of applications, uncertainty in adequately determining flow conditions or hydraulic residence times ("hydraulic efficiencies" ...
Research was conducted on pilot-scale, subsurface flow constructed wetland systems treating municipal wastewater. Increasing the hydraulic retention time (HRT) from 1.7 days to 4.3 days reduced the ...
When the atmospheric surface pressure is just right, a temperature difference can drive a continuous flow of rarefied gas through the soil matrix — a previously unrecognized process on Mars. De Beule ...
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NASA Discovers Hidden Heat on Saturn’s Moon Enceladus – Could It Harbor Life?
Saturn’s icy moon Enceladus has long fascinated scientists, with its active geysers and hidden ocean beneath a thick icy ...
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