Considerable controversy has taken place between those who favor quota sampling and those who advocate area sampling in opinion polling. This article does not attempt to give a final solution to the ...

Hydrologists from the Department of Energy's Pacific Northwest National Laboratory are using a simple apparatus of quarter-inch-diameter plastic tubing to collect samples at varying levels in the ...

Laboratory mice are the most frequently used animals in biomedical research. In accordance with guidelines for humane handling, several blood sampling techniques have been established. While the ...

SPRINGFIELD, Mo. (KY3) - COVID-19 cases are once again starting to drop across Greene County. According to the Springfield-Greene County Health Department, the area reached a peak on Jan. 20, 2021. At ...

For two weeks in March, 24 scientists representing laboratories in 21 countries learned state-of-the-art methods for precise and quick assessment of radionuclides in the environment. The venue was a ...