NPR News

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 per year, and 8,000 strokes and 26,000 premature deaths over a decade (or 2,600 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.