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New Orleans rapper Juvenile's appearance at this year's Jazz and Heritage Festival was poignant. His own home was destroyed by Katrina. His recent lyrics focus on the city's problems.

Contracts awarded by the Federal Emergency Management Agency for post-Hurricane Katrina work along the Gulf Coast were initially awarded to big firms. But some local, smaller firms are questioning the deals. Unsuccessful bidders say the government didn't follow its own rules.

Even though South Korean scientists apparently failed to make human embryonic stem cells from cloned human embryos, several teams around the world are still planning to achieve that goal. To do that, they will need a source of human eggs. But those eggs may be hard to come by.

Germany has reversed its decades-long opposition to opening its Holocaust archive. The files contain information on more than 17 million people who were murdered or forced into slave labor by the Nazis.

High gas prices have set off calls for conservation and investigation of price gouging. But among residents of Arizona, high gas prices have also provoked some less predictable reactions.

John Kenneth Galbraith -- social economist, Harvard professor, diplomat -- is dead at 97. His work influenced Roosevelt, Kennedy and Johnson and generations of U.S. politicians. He spoke to Howard Berkes in 1999.

It's hard not to notice when 18,000 people pick up and leave town all at once. Each time the soldiers at Fort Stewart are deployed, the residents of Hinesville, Ga., feel the absence keenly.

As gas prices soar to $3 per gallon, many Americans are beginning to examine their driving habits and make minor adjustments. Many drivers say they may be forced to make more drastic changes to how they work and play if prices go higher.

What do a strong latte, a drop in barometric pressure, and soybeans have in common? Neurologist Dr. David Buchholz believes they're all triggers for migraines. And he doesn't believe heavy-duty pain medications are the answer.

European explorers spent centuries searching for a passage through the ice at the top of the world. The Northwest Passage, a shortcut to Asia Europe, proved elusive until about 100 years ago. These days, thanks to global warming and a receding ice cover, the voyage is far easier to complete.