Researchers have developed an artificial intelligence model capable of tracking a person’s sleep stages using only three ...

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Genomic surveillance—the process of monitoring and sequencing pathogens—is one of the most important tools for detecting ...

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 ...

A woman in her early 20s underwent bilateral photorefractive keratectomy (PRK) for correction of myopia. She developed ...