How often, or how many times a day, does a patient need to take a medicine? The short and easy answer to this question is that it depends on the medication's half-life, or the time it takes for ...

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The world is changing in big ways every day. State of the World from NPR takes you where the news is happening — and explains why it matters. With bureaus spanning the globe, NPR reporters bring ...

Two men died looking for bigfoot in a remote part of Washington state, sparking a three-day search and rescue effort ... Police say he tried to get away, until a wheel fell off the SUV he was driving.