Email stress test: Experiment unplugs workers for 5 days

Slave to your email? Wonder what would happen if you had to do without it? University of California-Irvine informatics professor Gloria Mark was curious - so she recently led a study that separated 13 people from their email ...

S.Africa lifts freeze on shale gas exploration

South Africa on Friday said it was lifting a freeze on shale gas exploration in a move condemned by environmentalists who fear that controversial fracking will pollute scarce water sources.

NASA sees Hurricane Leslie's eye close

Hurricane Leslie appeared to "close its eye" on NASA satellite imagery as the storm heads east of Bermuda, like a little girl shutting her eyes tight on a wild amusement ride. Often when an eye becomes cloud-filled, its a ...

Racial and ethnic diversity spreads across the country

Increasing racial and ethnic diversity has long been apparent at the national level and in our nation's largest metropolitan gateways. Since 1980 over nine-tenths of all cities, suburbs and small towns have become more diverse. ...

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