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 ...

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.

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 ...

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 ...

Cement is a versatile and important material that is used for infrastructure, roads, and houses. Hence, it is only expected that cement will be a large-scale business — with global cement makers ...

Stone samples brought back to Earth from asteroid Ryugu have had their elemental composition analyzed using an artificially generated muon beam from the particle accelerator in J-PARC. Researchers ...

There’s no better way to build an audience than writing online. Creating the habit of showing up and hitting publish will serve you well for everything in your professional future. But there’s a wrong ...