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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 ...

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

“This is a convenient method for patients to use pills they already have,” she says. Both doses of pills should be taken as soon as possible, ideally within 72 hours (three days) of unprotected sex, ...

When students in Catherine Hartmann’s honors seminar at the University of Wyoming took their final exams this month, they encountered a testing method as old as the ancient philosophers whose ideas ...