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Humanitarian groups are finding cheaper ways -- namely, filtering systems -- to clean up contaminated drinking water in developing nations. That could greatly reduce diseases caused by bacteria, viruses and parasites among the billion people worldwide who drink unsafe water.

Civil engineer and nuclear technician Albert Swank Jr. wants to build a circular particle accelerator, or cyclotron, in his garage in Anchorage, Alaska. But some of his neighbors aren't too comfortable with the idea...

Secretary of State Condoleezza Rice announces plans to reform the State Department and the U.S. Agency for International Development. The move, she says, will bring the foreign assistance programs into line with the Bush administration's push to spread democracy, or "transformational diplomacy."

A trial is under way in Rome against the Getty Museum's former curator, Marion True, who is charged with knowing that the museum acquired antiquities looted from Italy. The government also has made a proposal to the Metropolitan Museum for the return of certain illegally acquired pieces in return for loans of work of equal value.

Animal scientist Temple Grandin says autism helps her see things as animals do. Grandin talks about her work designing humane slaughter systems for animals, and her unique way of looking at the world.

Danny Sullivan, editor of SearchEngineWatch.com, discusses what kind of information search engines keep about users' searches.

This Thanksgiving, the tastes of New Orleans will be missing or difficult to find for families now living far from their favorite Cajun or Creole spices. That's the case for a couple who evacuated from New Orleans and are spending Thanksgiving in Mount Rainier, Md.

For writer Anne Dimock, the iconic pie is much more than a dessert. She says a hearty, homemade pie can hold a family together through even the most difficult times. Her new book is called Humble Pie: Musings on What Lies Beneath the Crust.

Some artists from New Orleans say Hurricane Katrina will mark a turning point in their careers, and not only because it ruined some of their work. They say the altered visual and cultural landscape of the city will affect the art they have yet to make. Joel Rose of member station WHYY reports.

Thanksgiving can turn into a nightmare when your best-laid plans go awry in the kitchen. That's where Christopher Kimball can help. He is the creator of Cook's Illustrated Magazine and hosts the PBS television show America's Test Kitchen.

The new film Walk the Line is based on the life of legendary musician Johnny Cash. We begin a two-day look at the life of the much-celebrated "Man in Black" with an interview with Cash himself. This interview originally aired on Nov. 4, 1997.

That holiday tree in your living room seems fresh, but it was probably plucked from the farm earlier this month. Tom Banse has an insider's look at the industrial operation to bring trees to market.