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When it's hot and humid, you probably don't want to move much and aren't very hungry. The same goes for cows; but when they don't eat, farmers lose money. Using weather data, a new app called Thermal Aid detects the threat of heat stress and offers farmers tips to keep their cows healthy.

The U.S. has cited corruption as a major issue in Afghanistan for years. Yet as the U.S. military effort has begun to wind down, the Americans have made little progress in combating an endemic problem.

Republican presidential candidate Mitt Romney discarded his increasingly inert better-safe-than-sorry campaign strategy Saturday when he named budget hawk and Democratic bete noire Rep. Paul Ryan of Wisconsin as his running mate. But the pick has handed Democrats a trove of material to use in an effort to weaken the GOP ticket's appeal among independent voters, women and senior citizens.

The gun-control debate has been framed as one between those who want to ban all guns and those who want to protect the right to own them. But digging into the numbers shows a complex relationship between ownership and crime. But some studies suggest stricter gun laws have not had a significant effect on crime rates.

The London 2012 Olympics are officially over, but people are still buzzing about Sunday's closing ceremony. It included many of the highlights of British culture and history that weren't in London's opening ceremony. And in America, some viewers are angry about what was left out of the U.S. feed.

Condoleezza Rice has been floated as a possible running mate for the Republican presidential hopeful. The former secretary of state would boost Mitt Romney's foreign policy credentials, but says she's not interested in the job. Still, she wowed Romney donors earlier this summer.

A new study by some prominent tax analysts looks at how much Mitt Romney would have to reorder the tax code in order to make the tax cuts he proposes. As NPR's Ari Shapiro reports, that became a rallying cry for President Obama during a pair of campaign stops in Ohio Wednesday.

Iran is facing its most serious challenge since the war with Iraq in the 1980s.

The crops taking the worst hit from the current drought are the ones we feed to animals, like corn. Higher corn prices mean it can cost more to feed pigs and cattle than they will fetch at market, meaning higher meat prices for all.

Andy Cohen made the cable channel an unlikely focus of water-cooler talk by developing the Real Housewives series. After work, he hosts a nightly talk show — and he's not looking to stop doing either anytime soon.