Getting clean water to people in the developing world isn't just an engineering problem.

Supplies of oil have been surging this year, and U.S. drivers, who have been switching to more fuel-efficient cars, are using less gasoline.That would seem to be the right economic combination to push down prices at the pump, but gasoline prices have remained stubbornly high this summer.

The Texas senator says giving a path to citizenship to immigrants in the U.S. illegally would be unfair to immigrants who followed the rules, like his own father, 74-year-old Rafael Bienvenido Cruz. He portrays his dad as a kind of Cuban Horatio Alger.

The Navajo Nation and Lucasfilm have teamed up to translate the original Star Wars movie into Navajo, entertaining those who already speak it, and teaching newcomers about the language and culture.

From savoring a morning coffee to lighting a candle each night, people employ rituals all over the world. NPR science correspondent Shankar Vedantam speaks with behavior scientist Francesca Gino and Slate columnist William Saletan about the role of rituals in human life.

Textile workers in some poor countries like Bangladesh can make less than $100 a month. One factory in the Dominican Republic is trying something different: It's paying workers $500 a month. The company has yet to break even after three years, but the CEO says the business is growing rapidly and he believes it will be profitable.

A growing number of cities are using surveillance cameras in the hope of fighting crime, but all that video is almost useless without powerful search tools to sort the material. The municipal camera trend is proving to be big business for companies that design video analytics software.

From ancient Egyptian bakers to Gordon Ramsey, every era has its foodies. And without them, the history of food would be pretty darn boring, says William Sitwell. His new book chronicles how these epicures shaped our palates, and the recipes they left behind.