The first video in Pew Research Center’s Methods 101 series helps explain random sampling – a concept that lies at the heart of all probability-based survey research – and why it’s important. Fresh ...
A recent article explained the role of Gas Chromatography-Mass Spectrometry (GC/MS) in the analytics laboratory. The current article focuses on reviewing the technology used for preparing volatile ...
A study from researchers at the University of Georgia, published in Antimicrobial Agents and Chemotherapy, showed that 60 percent of cattle fecal samples contained multiple strains of salmonella that ...
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