In quality control and chemistry, analytical samples are usually mixtures. Understanding the main compound’s assay and the number of impurities or other unwanted substances in the sample is essential ...

Question: The only standard advice I have received about the writing sample for job applications is: “Stay within the page limit.” But surely there is better advice than that. And how much leeway ...

Q: I frequently see ads that ask for writing samples, along with the résumé and cover letter. I have hesitated to respond to these job ads because I’m not sure what kinds of things I should submit.

As I near the end of my Air Force career and continue the job search, I am applying for a job that asks for a writing sample. I intend to use a memo I wrote for a case that is pending that I have been ...

Among preterm infants, males have a greater incidence of respiratory distress and death than do females born at the same gestational age, likely due to sex-related differences in lung maturation. Our ...