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U.S. sending troops to Cameroon to monitor Boko Haram

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New imagery from Pompeii reveals surprising discoveries

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How ISIS makes more than a million dollars a day

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How deepening the Panama Canal set off a debate in Florida

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With Afghanistan decision, what happens now for U.S. troops?

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In Copenhagen, an ambassador who is also a reality TV star

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PBS News Hour

Do we overestimate how much sleep we need?

By studying the habits of three hunter-gatherer groups who live much the way humans have for thousands of years, a team of scientists is challenging conventional wisdom about how much sleep we need. Hari Sreenivasan goes to UCLA to learn more about getting enough rest and to do something he's never done on assignment before: falling asleep while on the job.
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January 16, 2026 - PBS News Hour full episode
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