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May 28, 2012 - The tradition behind Memorial Day can be traced back to 1865, when former slaves in Charleston, S.C. held a funeral procession to honor Union soldiers who died in a local Confederate prison camp.

May 25, 2012 - There's been a great deal of attention focused on the environmental impacts of natural gas drilling, but the industry also presents serious hazards for workers.

May 25, 2012 - A recent U.S. appeals court upheld a key provision in the 1965 Voting Rights Act against its latest challenge -- but it also opened the door for the Supreme Court to strike down the landmark civil rights legislation.

May 25, 2012 - The U.S. Department of Agriculture has proposed dramatically increasing line speeds at poultry plants for the first time in 50 years -- without studying the effects on workers. An extended comment period on the new rule closes this month.

May 24, 2012 - A report from North Carolina Voters for Clean Elections documents how companies with an interest in legalizing fracking in the state are investing heavily in legislators' campaigns.

May 23, 2012 - A new database tracks exonerations of people who were falsely convicted of crimes, finding that almost a third of them took place in Southern states.

May 23, 2012 - A new documentary produced by students at Duke University in collaboration with the voting-rights watchdog group Democracy NC puts recent laws restricting the minority vote in historical context.