L.A.'s Green Acres, Exoskeleton, Living in Trona, Herbie Hancock

Reporter Derrick Shore explains how for more than 10 years the treated sewage from four million L.A. residents has been transported more than 100 miles from the Hyperion treatment plant to a farm in Bakersfield in Kern County.

The leader of an elite Marine Corp squad was paralyzed from the chest down while serving in Afghanistan. Sergeant Derek Herrera was told he would never walk again. But that prognosis was wrong. Reporter Jennifer Sabih looks at how a remarkable technology called exo-skeleton allows Herrera to walk, and holds similar promise for tens of thousands of others confined to wheelchairs.

A young man living in Bakersfield was headed in the wrong direction until his mother decided to move the family and her son to a little-known small town in the Mojave Desert called Trona.

Legendary jazz musician and composer Herbie Hancock talks with reporter Michael Okwu about his extraordinary career and the creative process. Okwu gains unprecedented access to the "Ambassador of Jazz" at home in his private studio.