From Day One, inmates are treated like adults, lowering the chance they will return.
Inventor Martin Fisher designs easy irrigation tools for African farmers.
The engineer behind many electric-car advances says oil’s days may be numbered.
New website seeks to inspire kindness by promoting past good deeds.
As Microsoft backs away from digitizing old texts, some worry that a single company could privatize world knowledge.
A filling station from the future lands in Los Angeles.
Ahmed Maher says he was arrested and tortured by Egyptian authorities for starting a group on the popular social-networking site that was intended to support a nationwide strike.
Virtual college campuses host international student exchanges.
A fresh idea brings healthy food to low-income neighborhoods.
New solar dish harnesses power from heat – at a size and cost that make soaking up the sun even more attractive.
Lines form at open-source software vending-machines.
As gas prices rise, clever drivers adopt new rules of the road.
Technology will not solve all green problems, some say.
New factories could end a production logjam. But consumers may not see prices drop before 2010.