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Most American cars run on gasoline. But analysts say that's poised to change as electric vehicles take over the market. The question is, how soon? Johannes Eisele/AFP/Getty Images hide caption

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Johannes Eisele/AFP/Getty Images

As More Electric Cars Arrive, What's The Future For Gas-Powered Engines?

The vast majority of American cars run on gasoline. But analysts say that's poised to change as electric vehicles take over the market — albeit not as quickly as environmental activists might like.

As More Electric Cars Arrive, What's The Future For Gas-Powered Engines?

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Alexsis Rodgers, president of Virginia Young Democrats, is one of the disappointed constituents who worked hard to elect some of the officials at the center of the Virginia controversies. Now, Rodgers says, the state democratic party must develop diverse leaders before there's another crisis. Sarah McCammon/NPR hide caption

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Sarah McCammon/NPR

Virginia Democrats Now Look To Women of Color For Leadership

The recent controversies embroiling some of Virginia's top Democratic officials have the party reconsidering their leadership.

Virginia Democrats Now Look To Women Of Color For Leadership

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Thanks in part to his original songwriting, singing and guitar-playing, Physics doctoral student Pramodh Senarath Yapa beat out the remaining entrants to win this year's "Dance Your Ph.D." contest. Courtesy of Matthias Le Dall hide caption

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Courtesy of Matthias Le Dall

Ph.D. Student Breaks Down Electron Physics Into A Swinging Musical

John Bohannon, founder of Science magazine's "Dance Your Ph.D." contest, presents the 2018 winner, Pramodh Senarath Yapa. He won over judges with his choreographic rendition of some chaotic electrons.

Ph.D. Student Breaks Down Electron Physics Into A Swinging Musical

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A young man and a little girl look at the border fence from Playas de Tijuana, Mexico. Photojournalist Ariana Drehsler has been covering the caravan of migrants for weeks. In December, Customs and Border Protection agents began pulling her over for questioning each time she crossed back into the U.S. Ariana Drehsler for NPR hide caption

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Ariana Drehsler for NPR

Journalists, Lawyers, Volunteers Face Increased Scrutiny By Border Agents

At the San Diego-Tijuana border, journalists covering the asylum-seekers are being pulled into questioning by customs and border agents. Lawyers and volunteers are facing the same scrutiny.

An artist's concept shows a NASA Mars exploration rover on the surface of Mars. The twin rovers Spirit and Opportunity were launched in 2003 and arrived at sites on Mars in January 2004. NASA/JPL-Caltech hide caption

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NASA/JPL-Caltech

Opinion: Good Night Oppy, A Farewell To NASA's Mars Rover

NASA's admission this week that the agency has lost contact with a Mars rover brings an end to a compelling story of usefulness and resilience.

Opinion: Good Night Oppy, A Farewell To NASA's Mars Rover

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Maria Butina walks with Alexander Torshin, then a member of the Russian upper house of Parliament, in Moscow in 2012. The Senate Finance Committee is now investigating a think tank linked to both of them. Pavel Ptitsin/AP hide caption

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Pavel Ptitsin/AP

Senate Panel Launches Bipartisan Probe Into Think Tank Linked To Butina, Torshin

Leaders of the Senate Finance Committee sent letters to the Center for Public Interest, the Federal Reserve and the Treasury Department asking for information about meetings with Russians in 2015.

Supporters stand on a roof with placards and banners as they attend a campaign rally of the Nigerian opposition leader Atiku Abubakar on Thursday in Jimeta, eastern Nigeria. Luis Tato /AFP/Getty Images hide caption

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Luis Tato /AFP/Getty Images

Nigerian Election Postponed Hours Before Polls Were Due To Open

Officials blame "challenges." In Africa's most populous country, President Muhammadu Buhari is trying to hold on to his position, and opposition leader Atiku Abubakar is his fiercest challenger.

A fan-throated lizard displays his dewlap sac in front of Asia's largest wind farm in the Western Ghats mountains of India. The construction of the windmills altered the habitat of the lizards dramatically. Prasenjeet Yadav hide caption

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Prasenjeet Yadav

Sky Islands And Starry-Eyed Frogs: Breathtaking Photos Of Remote Ecosystems

Prasenjeet Yadav wants his photos to make people care about the environment — whether it's grasslands vanishing in southwest India or windmills taking over a lizard's habitat.

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