Background Annually, 4% of the global population undergoes non-cardiac surgery, with 30% of those patients having at least ...

National security, unlocked. Each Thursday, host Mary Louise Kelly and a team of NPR correspondents discuss the biggest national security news of the week. With decades of reporting from battlefields ...

Bayesian analysis integrates prior knowledge with observed data, detailing methods for model specification, inference, and validation. This Primer highlights applications across multiple fields, while ...

A. A mark is a given and known sign by which a thing can be distinguished from all others of its kind. Thus a trademark is used to distinguish the article bearing it from all imitations of the same ...