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David Greene speaks with NPR's Don Gonyea, Scott Horsley and Brian Naylor about The Des Moines Register's Great Bicycle Ride Across Iowa. The three reporters are riding in the event, also known as RAGBRAI, to explore the Iowa they didn't see on the presidential campaign trail.

Previous estimates of the climate-warming gas were based on the rough number of methane-emitting sources on the ground — such as factories, refineries, stoves, swamps, landfills and cattle herds. But by directly measuring levels of methane in the air instead, a new study puts the total much higher.

"When we pull back the curtain now, the mess is disturbing," says House Energy and Commerce Committee Chairman Fred Upton, R-Mich., of the latest revelations. These documents call into question whether contractors can fix the website as promised by the end of November.

In a survey of 96 countries on how their over-60 citizens fare, some rankings were completely predictable: Norway was first and Afghanistan was last. In between, there are a number of surprises.

It's no accident that Peruvian cuisine has become popular in recent years. It's government policy – one that a number of middle-income nations are adopting to flex their muscles on the global stage.

The people of Haiti are casting votes for president in the first round of elections for a new leader, as well as a host of other nationwide positions. Reporter Peter Granitz details the scene.

Pennsylvania has gone more than 90 days without a state budget. An impasse over Pennsylvania's budget is pitting newly elected Democratic Gov. Tom Wolf against a Republican-controlled Legislature.

The Democratic presidential candidate says she would act through executive action to close the "gun-show loophole" and tighten Internet sales, if Congress doesn't act.

California's Senate votes to limit the cooperation police can give immigration authorities, while research shows fear of deportation can make people sick. And Pepsi's unity message backfires.

What are those dog ears doing on my heart? Ancient anatomists named body parts after things they resembled in real life. So you've got a rooster comb in your skull and a flute in your leg.