How Twitter Shapes Public Opinion: Research

How does Twitter, with its 241 million users tweeting out 500 million messages daily, shape public opinion? That question was tackled by a group of researchers in China who investigated how opinions ...

Early Warning: El Nino Could Strike by Summer

The much-feared El Nino phenomenon, the warming of sea surface temperatures in the Pacific which can trigger drought in Southeast Asia and Australia and floods in South America, could strike as early ...

Wanna’ Get Away? Severe Winter Making It Tough

Severe winter weather cost U.S. airline passengers $5.3 billion in expenses and missed workdays as carriers canceled and delayed trips in the worst period of flight disruption since Sept. 11. The ...