Jeffrey Ptak, CFA, is chief ratings officer for Morningstar Research Services LLC, a wholly owned subsidiary of Morningstar, Inc. Before assuming his current role, Ptak was head of global manager ...

Gil Elvgren was an American artist born in St. Paul, Minnesota in 1914. He became one of the most famous pin-up and glamour artists of all time, known for his iconic images of the all-American ...

Sprawdź swoją spostrzegawczość i spróbuj rozpoznać przynajmniej 10 polskich zwierząt, widząc tylko fragment zdjęcia z ...

A clinical trial is defined by NIH as a research study in which one or more human subjects are prospectively assigned to one or more interventions (which may include placebo or other control) to ...