NASA astronaut Scott Kelly takes a selfie inside the cupola, a special module that provides a 360-degree view of Earth. Kelly and Russian cosmonaut Mikhail Kornienko have spent nearly a year aboard the International Space Station. NASA hide caption
Katerina Maylock teaches a college test preparation class at Holton Arms School in Bethesda, Md. The current version of the SAT college entrance exam is having its final run, when thousands of students nationwide will sit, squirm or stress through the nearly four-hour reading, writing and math test. A new revamped version debuts in March. Alex Brandon/AP hide caption
"In material like this, I hope that there is a danger in what we're doing. I hope we are on a razor's edge." Leslie Odom Jr. gets into character as Aaron Burr on the Hamilton set. Josh Lehrer hide caption
The completed Library of Congress. Library of Congress hide caption
Robin Eubanks' new album, More Than Meets The Ear, is out now. Walt Denson/Courtesy of the artist hide caption
Women stake a claim along Constitution Avenue to catch a glimpse of Pope Francis during the papal parade in Washington, D.C. Jun Tsuboike/NPR hide caption
In a video from IJReview, South Carolina Sen. Lindsey Graham sets out to destroy his old flip phone after Donald Trump gave out his number in a campaign speech on Tuesday. IJReview/YouTube hide caption
Lucas met this woman who lost her home and all her children except for one daughter. Donatella Lorch for NPR hide caption
"Question Bridge: Black Males" attempts to represent black male identity in America via a video question-and-answer exchange. At top center is Jesse Williams, the project's executive producer. Question Bridge: Black Males hide caption
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A lot of the airborne particles in the Earth's atmosphere come from natural sources, such as desert dust (red-orange) and sea salt (blue). But there's also soot from fires (green and yellow) and sulfur emissions (white) from burning fossil fuel. William Putman/ NASA/Goddard hide caption
Can you find Australia and Canada? The cartogram scales each country's geographic area by its population. (Click through to see a high-resolution map.) Original work courtesy of Paul Breding. Copyright 2005, ODTMaps.com, Amherst, MA. Adapted by Reddit user TeaDranks hide caption
Wilbur Sargunaraj visits a small house with a thatched roof, a medium-sized house and a "gigantic mansion" in his father's village. Produced by Wilbur Sargunaraj for NPR, John W. Poole and Ben de la Cruz/NPR. hide caption
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