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What led to North Korea's release of two American detainees?

What led to North Korea's release of two American detainees?

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McCain: Medic's bravery should end female soldier debate

McCain: Medic's bravery should end female soldier debate

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Studying Alaska's ice and snow to track climate change

Studying Alaska's ice and snow to track climate change

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'Thirteen Soldiers' on serving a cause greater than yourself

'Thirteen Soldiers' on serving a cause greater than yourself

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Fusing a marriage with metal and glass

Fusing a marriage with metal and glass

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Ferguson braces for grand jury ruling

Ferguson braces for grand jury ruling

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Your outdated Internet browser is a gateway for hackers

Your outdated Internet browser is a gateway for hackers

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Scientists find culprit virus in West Coast starfish deaths

Scientists find culprit virus in West Coast starfish deaths

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Is incitement to blame for growing Middle East violence?

Is incitement to blame for growing Middle East violence?

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What if a device could tell you which medicines you need?

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Turning technology into easy medical lifesavers

Turning technology into easy medical lifesavers

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Targeting the Islamic State’s money supply

Targeting the Islamic State’s money supply

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PBS News Hour

Increased immunity in weeds may threaten U.S. crops

NewsHour Weekend traveled to Iowa to explore the widespread issue of herbicide-resistant and hard-to-control weeds. Millions of acres of farmland have been affected, rendering some fields unable to be farmed.The EPA recently approved a new Dow herbicide that the industry says could help the problem. Opponents have sued claiming it could possibly harm the environment and human health.
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