Carbon efficiency failing to fight warming: study

A surge in carbon emissions from power demand in the developing world is overwhelming progress by nations including China and the United States in improving efficiency, new research shows.

Twitter adds Arabic and Hebrew

Twitter on Tuesday launched Arabic, Hebrew, Farsi and Urdu versions of its website, further localizing of the popular one-to-many text messaging service.

India's air the worst, says annual study

India has the worst air quality in the world, poorer even than its neighbour China, according to an annual survey based at Yale and Columbia universities in the United States.

Understanding terror attacks in India

Recent advances in computer science at the University of Maryland's Laboratory for Computational Cultural Dynamics cast fresh light on terrorism in India, such as yesterday's coordinated attacks in Mumbai. Some important ...

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