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The National Transportation Safety Board has recommended reducing the legal limit for blood alcohol content for drivers from .08 to .05. Critics say it won't significantly help prevent drunken driving. Guest LZ Granderson argues that without more checkpoints, a lower threshold would do nothing.

Engineers have figured out a way to get crystals to form rose and tulip sculptures, each smaller than a strand of hair. The gardens sprout up on a penny dipped in a salt solution. The technique is similar to 3-D printing and could one day be used to make any complex shape.

When President Obama spoke at Morehouse College, he singled out — and surprised — a graduate who had faced long odds.

A Guatemalan court says because of a legal dispute, part of the genocide trial must start over for former dictator Efrain Rios Montt. His 80-year prison term was thrown out, and human rights activists are furious.

On his new songs, the rapper points fingers in every direction, including back at himself.

Hipsters may just be discovering the joys of backyard chickens, but in African megacities, people have been bringing their animals into the slums with them for decades. That's creating a new ecosystem of animals and huge numbers of people living closely together like never before.

A pair of sandals, a shawl and a drinking cup that were used by the Indian independence leader are among the objects going under the hammer in the U.K.

Douglas Shulman, who led the IRS during the years when agency workers targeted tax-exempt applications from conservative groups, did his best to deflect accusations from unhappy senators.

Once NOAA realized conditions were ripe for severe weather they put their satellites on overdrive. They beamed back amazing images.

The Guardian Council, which vets all candidates, approved eight names, but left out an influential former president and a top aide to the current president. Their exclusion gives establishment-friendly candidates a clear path to the presidency in the June 14 election.