All Things Considered

New Orleans became a blank slate after Hurricane Katrina struck in 2005. And ever since, entrepreneurs have rushed in to experiment with new ideas for building and running a city.

Among them is a startup called Neighborland.com, a social media tool for sharing ideas to make your neighborhood better. After signing in to Neighborland, you can find your neighborhood and post your idea. The posts all start with "I want," and you fill in the rest.

Afghanistan desperately needs to jump-start its economy if it hopes to stand on its own after NATO's drawdown in 2014. But there's a major constraint for a country trying to build a modern economy: electricity shortages.

Afghanistan ranks among the countries with the lowest electricity production per capita in the world. Despite billions of dollars in projects over the past decade, at best one-third of the population has access to regular power.

Monks set up St. Joseph Abbey in Louisiana more than 100 years ago. They've been there so long, they have 1,100 acres and their own town, St. Benedict.

For all those years, when one of the brothers died, the monks would painstakingly craft a flawless pine casket in their woodwork shop.

Over the years, many clergy members and high-ranking church officials would request the the beautiful caskets. Soon, members of the public wanted see if they might be able to buy one.

Weekends on All Things Considered continues its "Why Music Matters" series with Olympic luger Christian Niccum. Niccum says music was the key to one of his first accomplishments in the sport.

"I was 15 years old, in Berchtesgaden in Germany," he says. "It's the oldest artificial luge track in the world, and it's also the most difficult."

Daunted by the course's many sharp turns, Niccum turned to something borrowed for inspiration.

When Michelle Obama's great-great-great grandmother was 8 years old, her life underwent a dramatic change.

Melvinia Shields was a slave who grew up at a South Carolina estate with a relatively large community of slaves she knew well. But then she was moved to a small farm in northern Georgia where she was one of only three slaves; most white people in the area didn't own any.

Mark Dermul is a serious Star Wars fan. He was just 7 years old in 1977 when the original movie hit the theaters. As soon as the huge Star Destroyer flew across the opening scene, he was hooked.

"It hasn't left me," he says. At 42, Dermul now guides tours throughout North Africa, visiting sites that were featured in the blockbuster films.

On one 2010 trip back to planet Tatooine — OK, Tunisia — he and his tour group noticed that Luke Skywalker's boyhood home was decaying. They jumped into hyperspace — OK, the Internet — to save it.