Ten seconds of work has digitized libraries, whether the amateur translators know it or not.
Before wind power can feed 20 percent of America's energy diet, new high-voltage wires will need to connect turbines to cities. After mapping which areas of the country have both strong wind speeds and little human development, Ohio-based American Electric Power developed one possible plan for future power lines included in a US Department of Energy report on wind last year.
Column: Advances in DNA research enhance basic concepts of evolution.
Wind power could feed 20 percent of the US energy diet. But first, the country needs a new energy network.
Long-promised cellulosic ethanol is in modest production, but hurdles remain.
Global economic crises underscores urgency of the goal, even as it delays progress.
How 'tweet nothings' became a $250 million cultural phenomenon