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Physicists Tie Water Into Knots

Reporting in the journal Nature Physics, William Irvine and Dustin Kleckner, physicists at the University of Chicago, have created a knotted fluid vortex in the lab — a scientific first, they say. The knots resemble smoke rings — except these are made of water, and they're shaped like pretzels, not donuts. Understanding knottiness has extra-large applications, like understanding dynamics of the sun.
WAMU 88.5

Anne Tyler: "A Spool Of Blue Thread" (Rebroadcast)

In her first live radio interview ever, Pulitzer Prize winning author Anne Tyler joins Diane to talk about her 20th novel, "A Spool of Blue Thread."


Fine Brine From Appalachia: The Fancy Mountain Salt That Chefs Prize

An artisanal salt producer is processing brine from ancient ocean deposits below West Virgina's mountains. The company, J.Q. Dickinson Salt-Works, ships to top chefs who value the salt's minerality.

Downed Russian Warplane Highlights Regional Divide On Syria

Hugh Pope, director of communications and outreach at the International Crisis Group in Brussels, explains the growing divide between Turkey and Russia on their priorities inside Syria.

From Takeout To Breakups: Apps Can Deliver Anything, For A Price

Convenience is at an all-time premium — and a lot of smartphone apps promise to make many of the things we do every day easier. In a time-crunch or sheer laziness, how far will the apps take us?

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