Passive sampling techniques have emerged as indispensable tools in the monitoring of environmental pollutants. These methods involve the in situ accumulation of contaminants over extended periods, ...

Ryan Toma (left) is a Research Scientist at Viome Life Sciences (WA, USA). He focuses on the design and implementation of clinical studies with the aim of harnessing Viome’s personalized nutrition ...

In a study published in PNAS, a research team led by SHI Xinghua from the National Center for Nanoscience and Technology (NCNST) of the Chinese Academy of Sciences, in collaboration with GAO Huajian's ...

The Journal of Geo-information Science recently published an online article on research led by researcher Lianfa Li and researcher Xiaomei Yang (Institute of Geographic Sciences and Natural Resources ...

Systematic, well-designed, and implementable research is the most effective way to solve many problems facing state departments of transportation (DOTs) administrators and engineers. Often, highway ...

Learn the distinctions between simple and stratified random sampling. Understand how researchers use these methods to accurately represent data populations.