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 ...

Systematic sampling is straightforward and low risk, offering better control. However, it may introduce sampling errors and data manipulation. Understand its benefits and weaknesses here.

The World Health Organization (WHO) warns that air pollution is of great concern and impacts health in many ways. To better the situation, it’s necessary to focus on air quality. However, when ...