A simple sample of the protective mucus layer that coats a frog's skin can now be analyzed to determine how susceptible the frog is to disease, thanks to a new technique. The findings could help ...

Scientists have developed a fast, simple sample preparation method that enhances imaging of DNA to better analyze its physical properties and interactions. JILA scientists have developed a fast, ...

The conventional approach of choosing sample size to provide 80% or greater power ignores the cost implications of different sample size choices. Costs, however, are often impossible for investigators ...