A violinist unpacks the magic in a multi-million-dollar violin A Stradivarius crafted in 1714 goes up for auction this week. Sotheby's expects it to fetch between $12 and $18 million. Christopher Intagliata
Why the AI world is suddenly obsessed with a 160-year-old economics paradox The primer on Jevons paradox that you didn't know you needed. Greg Rosalsky
What Americans can learn from the story of Russia's oligarchs As Trump surrounds himself with tech billionaires, NPR's Steve Inskeep speaks with journalist David Hoffman about Russia's history, in which a few wealthy men grew very close to political power. Steve Inskeep
Why Trump loves former President McKinley so much We take a closer look at a past president that the current president loves to talk about. Asma Khalid
Can Trump's 2nd act work for the working class while giving back to his super donors? Trump has shown an affinity with many of the little guys — what he called in 2017 "the forgotten men and women." But he also has shown an affinity with some of the fattest cats of all. Ron Elving
DCA collision brings memories of 1961 plane crash that killed U.S. figure skating team In 1961, the entire U.S. figure skating team died in a plane crash. Losing a generation of top-level athletes and their coaches hobbled the U.S. The DCA crash and brought back difficult memories. Becky Sullivan
The D.C.-area crash recalls some of the deadliest aircraft disasters in U.S. history Responders are working to recover the victims of Wednesday night's midair collision over Washington, D.C. It could be the deadliest crash to occur in U.S. airspace in at least 15 years. Emma Bowman
The Doomsday Clock has never been closer to metaphorical midnight. What does it mean? The Doomsday Clock now stands at 89 seconds to midnight, the closest to catastrophe in its nearly eight-decade history. Here's a look at how — and why — it's moved. Rachel Treisman
Mona Lisa's roommates may be glad she's moving out Now that Leonardo da Vinci's masterpiece is moving to another room at The Louvre, other Renaissance masterpieces hanging in the same space by Titian, Tintoretto and Veronese may finally get their due. Chloe Veltman
How the Navy built 'Sealabs' on the ocean floor in the 1960s (Part 2) In the 1960s, the Navy built a series of underwater habitats and trained a group of men to live in them. When our story left off, the Navy had successfully operated a Sealab 205 feet below sea level.
