Despite the use of chemical treatment for strnegthening sandy soils, an understanding of how it gains strength is lacking. Now, scientists have studied how sandy soil is made stronger through the ...

A growing body of research suggests that combining enzymes with biochar, a carbon-rich material made from agricultural and organic waste, could transform how scientists clean polluted water and soil.

Last week, a plot of land in North Portland felt a shake, but not one caused by an earthquake, but instead by a machine known as T-Rex. Researchers with Portland State University were simulating a ...

If and when a Cascadia Subduction Zone earthquake hits the Portland region, soil liquefaction could dramatically worsen the damage, leading buildings to tilt, roads to buckle and utility lines to ...

Current techniques for measuring nano/microplastic (N/MP) concentrations in soil require the soil organic matter content to be separated and have limited resolution for analyzing N/MPs sized <1 m.