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The U.S. military says it's investigating a video that appears to show Marines desecrating the corpses of Taliban fighters killed in Afghanistan. Regardless of those findings, the outrage in the Islamic world is likely to be severe, as with other disturbing images that have surfaced during U.S. wars in Muslim countries over the past decade.

The already shaky case for the anti-aging powers of resveratrol, a substance in red wine, is looking a little shakier.

After a three-year investigation, the University of Connecticut Health Center has told 11 scientific journals that studies they published by resveratrol researcher Dipak K. Das may not be trustworthy.

A new study in the journal Health Affairs estimates that a penny-per-ounce tax on soft drinks and other sugary beverages could prevent about 240,000 cases of diabetes, 8,000 strokes, and 26,000 premature deaths per year.

Yes, death by soda.

So the analysis got me thinking: Our behavior is hard to predict, right? I know mine is.

Scientists are facing a riddle. For two years, researchers at Dauphin Island Sea Lab in Alabama have been studying the diets of Tiger Sharks in the Gulf of Mexico and they found that the sharks not only eat sea creatures, but also make a habit of eating land birds. Yep that's right woodpeckers, catbirds, kingbirds and swallows have all been found in their bellies.

So you know how on Monday the federal government reported that the $2.6 trillion the nation spent on health care in 2010 translated into just over $8,400 per person?

Well, a different study just released by a separate federal agency shows that second number doesn't actually mean very much.

An Alabama judge signed an order that declares Natalee Holloway, the teenager who went missing in Aruba while on a high school graduation trip, legally dead. Holloway was last seen in 2005.

The AP reports:

When someone dies, the eulogies roll in, the higher the stature of the departed, the more stately the praise.

And that's certainly somewhat true for Bill Janklow, South Dakota's former congressman and governor who died Thursday from his brain cancer.

Earlier this month, a group Chinese workers at Foxxconn spent two days on the roof of one of the companies factories in central China. As The Telegraph reported, the workers were threatening to commit suicide to protest their working conditions.

Earlier this week, we were surprised to learn that food manufacturers increasingly X-ray foods to screen for foreign objects that can break a tooth. That sounds like a good idea.

But the notion of X-rayed food also sparked a lively debate in The Salt's comments section on whether this poses a health threat. After all, we do know that some X-rays can damage DNA in the human body. So what does radiation mean for food?

An investigating officer has recommended that Army private Bradley Manning face court martial on multiple criminal charges related to the downloading of nearly 1 million war logs and secret diplomatic cables. Manning is accused of taking the files and them passing them on to WikiLeaks.

If he does face a court martial and is convicted, he could be sentenced to life in prison.

Melissa Block talks to David Walton of the nonprofit group Partners in Health about the two-year anniversary of the earthquake in Haiti.

When President Obama talks about the causes of the recession and the road out of it, he has consistently found fault in the financial services industry — and stressed the importance of making things. Now, with the Republican presidential nomination within reach of former venture capitalist Mitt Romney, those same words from Obama can sound mighty pointed.

After facing an onslaught of criticism about his work as a venture capitalist, Republican presidential contender Mitt Romney pushed back Thursday. At a press conference in South Carolina, he said jobs were created, thanks to his work at Bain Capital. NPR's Ari Shapiro joins Melissa Block from Greenville, S.C.

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MELISSA BLOCK, HOST:

This is ALL THINGS CONSIDERED from NPR News. I'm Melissa Block.

AUDIE CORNISH, HOST:

And I'm Audie Cornish.

William Janklow, a former Republican governor and congressman from South Dakota, died today at a Sioux Falls hospice center. He was 72 years old. Janklow announced in November he had an inoperable brain tumor.

Politically, climate change is off this year's campaign agenda. Jobs, the economy and social issues are front and center.

But scientists are working as hard as ever to figure out how much the Earth is warming and what to do about it. Some now say it's time for a new strategy, one that gets faster results.

Talk to Durwood Zaelke, for example. Zaelke is a grizzled veteran of the climate wars: He was in Kyoto in 1997 when the world's nations drafted a treaty promising to curb warming, and he has watched that promise fizzle while the planet's temperature continues to rise.

Bill Janklow, an institution in South Dakota politics who was known for his brashness and pushing things to completion, has died at age 72.

The AP has the basics: