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Can Iran Close The World's Most Important Oil Route?

Iran has threatened to close the Strait of Hormuz, the strategic waterway that handles 20 percent of the world's oil, in retaliation for a new round of sanctions. Experts say Iran has low-cost options, such as mines, to wreak havoc and potentially close the strait.
NPR

NPR's Science Desk Experiments With Twinkies

The NPR science desk was inspired to take part in the fine, and longstanding, tradition of experimenting with Twinkies.
NPR

Did Food Safety Auditors Cause The Fatal Outbreak From Tainted Cantaloupe?

Food producers rely on private auditors, not the FDA, to make sure they are following food safety rules. But the auditor of the Colorado melon farm that was the source of last year's fatal outbreak not only gave the farm a rave review, he also recommended changes that may have caused the problems.
NPR

Marathon Runners Face Low Risk Of Cardiac Arrest

Participation in long-distance running events has doubled over the past decade, and race-related cardiac arrests have increased, too. Even so, the risk is low, a study finds. Undiagnosed, pre-existing heart conditions are the biggest source of trouble.
NPR

Study Links Water Wall, Legionnaires' Disease Uptick

Audie Cornish talks with Thomas Haupt, respiratory disease epidemiologist for the Wisconsin Division of Public Health. He's the lead author of the study that helped uncover the source of a mysterious and large uptick in Legionnaires' disease cases. The study, "An Outbreak of Legionnaires Disease Associated with a Decorative Water Wall Fountain in a Hospital" was published in the online journal Infection Control and Hospital Epidemiology.
NPR

Justices Rule Ministers Exempt From Anti-Bias Laws

In a unanimous and groundbreaking decision Wednesday, the Supreme Court ruled that ministers can be fired without regard to civil rights laws. But on the more difficult question of determining who is a minister, the court was equivocal, saying that would have to be determined on a case-by-case basis.
NPR

Romney's Success Sparks GOP Debate Over Capitalism

An interesting thing has happened on the way to the GOP presidential nomination: A fight has broken out over the meaning of capitalism. Former House Speaker Newt Gingrich is drawing bright lines between private equity and industrialists. He sees it as the difference between looters and inventors.
NPR

'Battle Royale' Begins For South Carolina Voters

Mitt Romney has momentum heading into the "First in the South" primary, but in South Carolina he'll have to appeal to religious conservatives and Tea Party voters. And while the economy is the most important issue for many voters, Romney's rivals are already branding him as out of line with traditional South Carolina values.

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