The U.S. Coast Guard says rotten wood and poor inspections appear to have played roles in the collapse of the mast of a historic Maine schooner in an accident that killed one person and ...

A Delta Air Lines flight from Salt Lake City to Amsterdam has been hit by severe turbulence, sending 25 people to hospitals and forcing a diversion to Minnesota. The Wednesday evening ...

The United States and many of its NATO allies are accusing Iran of a growing number of threats and demanding that it end its ...

China's cyberspace regulators have summoned Nvidia over security concerns about its H20 chips. They claim the chips can be ...

How to select outcome measurement instruments for outcomes included in a 'Core Outcome Set' - a practical guideline). Ongoing and future studies At the moment, we work on updating the COSMIN checklist ...

Background: In this paper, the basic elements related to the selection of participants for a health research are discussed. Sample representativeness, sample frame, types of sampling, as well as the ...