Survey sampling and estimation methods form the cornerstone of modern statistical inference, underpinning research across the social, medical, and natural sciences. At their heart, these methods ...

Scientists have devised a way to test carbon capture and storage, by sampling water at storage sites for an altered form of oxygen. In the first experiment of its kind, researchers studied the ...

Konstantin Vodopyanov, a professor at the College of Sciences and CREOL, the College of Optics and Photonics, recently co-authored a study published in the journal Optica. This research examines ...

Not only is breast cancer more than one disease, but a single breast cancer tumor can vary within itself, giving the potential for very different patient treatment plans depending on the tumor sample ...

PHILADELPHIA – A new optical technology, coupled with routine endoscopy, may enable doctors to detect the subtle tell-tale traces of early pancreatic cancer, according to researchers at Northwestern ...

Core sampling has often been used as a quick method of determining the presence or absence of prehistoric sites, although its accuracy and utility in locational studies have been rightly challenged.