The Salt
2:15 pm
Wed April 17, 2013

Science In A Scoop: Making Liquid Nitrogen Ice Cream

The store uses a patented machine to keep ingredients churning and mix in the liquid nitrogen in a safe, controlled manner.
Alan Greenblatt NPR

Originally published on Thu April 18, 2013 11:14 am

Robyn Sue Fisher's ice cream shop, Smitten, in San Francisco's Hayes Valley, may at moments resemble a high school chemistry lab, but that's because Fisher uses liquid nitrogen to freeze her product.

Nitrogen is "a natural element," she notes. "It's all around us."

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World Cafe
2:05 pm
Wed April 17, 2013

The James Hunter Six: 'Minute By Minute,' A Classic Soul Sound

The James Hunter Six.
Ruth Ward Courtesy of the artist

James Hunter fell in love with vintage R&B during his youth in England, with his grandmother's records providing a foundation. Hunter sang in workingman's clubs and got a break in the early '90s, when Van Morrison heard him singing and invited him on tour as a backing vocalist.

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Shots - Health News
1:33 pm
Wed April 17, 2013

As Bird Flu Spreads In China, The Source Remains A Mystery

A vendor weighs a live chicken at the Kowloon City Market in Hong Kong Friday. Health authorities there have stepped up the testing of live poultry from China to include a rapid test for the H7N9 bird virus.
Lam Yik Fei Getty Images

Originally published on Wed April 17, 2013 2:19 pm

The new bird flu in China has come with a long list of questions.

Are the 82 cases reported so far just the tip of a larger outbreak? Why does the virus cause mild symptoms in some people and severe pneumonia in others?

Perhaps the most critical question is also the simplest: How do people catch the bug?

The H7N9 virus clearly infects birds. Health workers have detected it in chickens, ducks and pigeons.

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River to River
1:28 pm
Wed April 17, 2013

A President's Reaction To Disaster

Martha Coakley / flickr

When bombs went off at the finish line of the Boston Marathon, President Obama was quick to speak out, but he was extremely cautious about what he said.  Today on Politics Day, why how a president reacts matters and how the bombing might affect political priorities. Also, the latest on immigration and gun legislation.

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Around the Nation
1:15 pm
Wed April 17, 2013

'The Hell Of American Day Care': Expensive And 'Mediocre'

iStockphoto.com

Originally published on Wed April 17, 2013 1:49 pm

In his cover story for the April 29 issue of The New Republic, "The Hell of American Day Care," Jonathan Cohn writes that "trusting your child with someone else is one of the hardest things a parent has to do — and in the U.S., it's harder still, because American day care is a mess. And about 40 percent of children under 5 spend at least part of their week in the care of somebody other than a parent."

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Politics
1:10 pm
Wed April 17, 2013

Governing During Threats To National Security

Transcript

CELESTE HEADLEE, HOST:

This is TALK OF THE NATION. I'm Celeste Headlee, in Washington. It's Wednesday, and it's time for the Political Junkie.

(SOUNDBITE OF ARCHIVED RECORDINGS)

PRESIDENT RONALD REAGAN: There you go again.

VICE PRESIDENT WALTER MONDALE: When I hear your new ideas, I'm reminded of that ad: Where's the beef?

SENATOR BARRY GOLDWATER: Extremism in the defense of liberty is no vice.

SENATOR LLOYD BENTSEN: Senator, you're no Jack Kennedy.

PRESIDENT RICHARD NIXON: You don't have Nixon to kick around anymore.

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The Two-Way
1:02 pm
Wed April 17, 2013

U.S. Calls On Venezuela 'To Respect ... Free Speech' Of Its Citizens

A woman walks past a message painted on a wall in the streets of Caracas reading "Fraud. Maduro Illegitimate."
Raul Arboleda AFP/Getty Images

Originally published on Thu April 18, 2013 7:29 pm

The United States called on the Venezuelan government to be transparent in its effort to "audit the ballots" of the presidential election held this weekend.

If you missed it, the news that Hugo Chavez's hand-picked successor Nicolás Maduro had won by a razor-thin margin unleashed protests in the streets of Caracas.

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National Security
1:02 pm
Wed April 17, 2013

Public Safety: The Measures Taken To Keep Crowds Safe

Originally published on Wed April 17, 2013 1:20 pm

Transcript

CELESTE HEADLEE, HOST:

This is TALK OF THE NATION. I'm Celeste Headlee. Neal Conan is away. The attacks on the Boston Marathon have had a ripple effect around the world. Organizers of the London Marathon are working with local police to increase security measures there. And organizers of smaller marathons, like the Christie Clinic Illinois Marathon, are meeting to discuss how to best protect runners and spectators in the wake of the Boston tragedy. We'll speak to the emergency coordinator of that marathon in just a moment.

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Sports
1:02 pm
Wed April 17, 2013

What Spectators Add To The Marathon Experience

Originally published on Wed April 17, 2013 1:25 pm

Transcript

CELESTE HEADLEE, HOST:

You know, many of those injured and all three of the people who were killed at the scene of the Boston Marathon were there to cheer on the runners. They weren't running. Running is usually a fairly solitary sport, but a marathon is a unique moment when these athletes run alongside others, for one thing, and they're cheered on by sometimes thousands of spectators. Runners rely on those familiar faces and their cheerful signs to motivate them through all 26.2 miles.

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Talk of Iowa
12:46 pm
Wed April 17, 2013

Appreciating Classical Music

CaZaTo Ma / flickr

Have you ever felt at a loss to understand certain music?  April is Public Radio Music Month, and we are taking the opportunity to highlight classical and operatic music.  Today we give you some tools for listening to classic music styles with some short excerpts and two music experts who will show you how to truly appreciate the genre.

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