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Researchers are developing a technology that could draw carbon dioxide directly out of the air. It's very expensive now, but it works, and one company is already trying to identify a market for all that captured greenhouse gas.

At the turn of the 20th century, visiting a drug store meant going to a soda counter with a pharmacist. If you wanted to go shopping, you would go to a department store. Now that trend is reversing: drug stores are battling to keep consumers in the store for longer.

Being able to throw stones with power and precision must have been fun for humans' early ancestors. It was essential, too, since we lack the the fangs and claws of other predators. A recent study suggests the ability to fire rocket fastballs depends on shoulder anatomy that chimps don't share.

An ex-con lends money to people in need; a group of friends creates a savings club. Even without banks, people often figure out how to get the money they need, when they need it.

A fraternal agriculture organization known as the Grange must bring in younger members to survive. But the new generation's interest in environmental issues and food politics is clashing with the Grange's support of industrial farms.

Hearing — and holding — Mozart's own instruments is a thrill like no other. The great composer's violin and viola, which are only pulled out of storage in Salzburg about once a year, are in the United States for the very first time. And the magic they wield is undeniable.

Sebastien de la Cruz sang the national anthem at a second game of the NBA Finals after his first performance spurred a flurry of racist tweets.

The Federal Reserve's economic stimulus has helped keep mortgage rates at record lows in the years since the Great Recession. But rates are ticking upward, leaving some investors worried that the nascent housing recovery will suffer if the Fed unravels its policies too quickly.

The Colombian city was the world's murder capital in the 1990s, but it managed to turn its fortunes around. Homicides were cut by 80 percent and made big gains on a number of fronts. But the city still faces many challenges in a region plagued by violence.

Though the regulation proposed by the Fish and Wildlife Service would make it more difficult to use chimpanzees for research purposes, that may not be a problem, some scientists say. Scientific advances show the animals are less medically useful than previously thought.