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Young, infected Lasius neglectus ants will send out an altruistic "kill me" signal to worker ants, a new study finds, as part of a strategy to keep deadly pathogens from spreading through the colony.

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Crude prices are low. Companies are being cautious. But huge reserves — particularly of the heavy, viscous oil Venezuela has in abundance — remain appealing.

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Misinformation spread quickly after the wildfires in Los Angeles last year. Some of these false narratives on social media impacted California policy.

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The swift policy and political repercussions the video helped propel illustrate the symbiotic relationship between online content creators and the Trump administration's policy goals.

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While serendipity has often been associated with luck or happy accidents, its origin suggests that it goes beyond just happenstance.

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Hundreds of thousands of Venezuelans have been in limbo since the Trump administration removed their temporary protected status late last year. That uncertainty has intensified as U.S. immigration officials again push for those migrants to return to Venezuela.

(Image credit: José A. Alvarado Jr. for NPR)

CIA turncoat Aldrich Ames, who betrayed Western intelligence assets to the Soviet Union and Russia in one of the most damaging breaches in U.S. history, has died in a Maryland prison. He was 84.

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A golden phone that President Donald Trump's family business promised to release last year remains mysteriously under wraps as the technology industry serves up a glut of new gadgets at CES in Las Vegas this week.

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The protest at the Grand Bazaar represented the latest signal that the demonstrations are likely to continue. Violence surrounding the protests has killed at least 36 people, activists abroad say.

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Trump pledged to use proceeds from the sale of this oil "to benefit the people" of both countries.

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Homeland Security said Tuesday that it launched what it described as the largest immigration enforcement operation ever carried out, tied to allegations of fraud involving Somali residents in Minnesota.

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Tarr's films were long, dark, and often abstract explorations of everyday life and politics.

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Last year, for Black History Month, NPR's Scott Simon spoke with Edith Renfrow Smith of Chicago, who has died at 111 years old.

(Image credit: Edith Renfrow Smith family collection)

Once a fierce advocate for Trump and his MAGA base, Greene has broken with the president and resigned from Congress. New Yorker writer Charles Bethea discusses Greene's past — and what may lie ahead.

Economists may have a pretty dismal record with predictions. But we're still interested in what they see in their non-existent crystal balls.

(Image credit: Charly Triballeau/AFP via Getty Images)

Ousted Venezuelan leader Nicolás Maduro and his wife pleaded not guilty in New York yesterday. And, the CDC scales back routine childhood vaccine recommendations at President Trump's direction.

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California is writing rules to limit plants around buildings to protect them from wildfires, after the Los Angeles fires a year ago. Some homeowners are pushing back over losing their greenery.

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Rep. Adam Smith, the top Democrat serving on the House Armed Services Committee, says Trump administration officials offered "vague talk" in briefing about the long-term strategy for Venezuela.

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Older adults are the fastest-growing homeless population across the U.S. Now some shelters are trying to make it easier to accommodate older people.

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Now begins what could be a lengthy legal process of pretrial motions, potential plea negotiations and possibly a jury trial of the authoritarian leader who ruled Venezuela for more than a decade.

(Image credit: Federico Parra)