Can the brain make you rich? Indian high-tech workers heading for the promised land: Back home. How green is ethanol? Capturing carbon underground. Making renewable energy work in Spain. And get on the Stairmaster and make some energy!

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Anchor Marco Werman profiles Iranian-born singer Azam Ali, whose voice has contributed to the futuristic sound in many Hollywood movies and TV shows. Her latest work is in the film "300." The film hits theaters tomorrow.

Today's answer is Aleppo, Syria. Tony Hill, author of "The Spice Lover's Guide to Herbs and Spices," tells anchor Marco Werman about a delicious, spicy pepper that's indigenous to the region.

Our daily geography quiz.

J. Aitken

Anchor Marco Werman speaks with Jonathan Aitken, a British politician who was convicted of perjury in 1999. Aitken sees some parallels between his case and that of convicted former White House aide Lewis Libby in Washington.

Correspondent Mary Stucky reports that Bolivian President Evo Morales's plan to legalize coca production may be helping to reign in illegal coca operations. Coca is the raw material for cocaine.

Correspondent Mike Rahfaldt examines South Africa's evolving relationship toward the language of Afrikaans. Many locals regard it as the "language of apartheid," but it's increasingly showing up in popular music.

US and Afghan officials are expecting resurgent Taliban fighters to begin a spring offensive against US and NATO forces in Afghanistan. Anchor Marco Werman speaks with The World's Aaron Schachter, who's at the Bagram Air Base outside of Kabul.

The BBC's Frances Harrison reports from Tehran on Iran's gasoline problem. The country has plenty of oil, but not enough gasoline. Iran needs to build more refineries to increase its gasoline supply. But tense relations with the United States -- and the possibility of more international sanctions -- are scaring away investors.