Reporter Jeff Lunden profiles classical singer Thomas Quasthoff. The German bass-baritone has won three Grammy Awards and achieved international success. And he's overcome significant physical challenges to do it.
In the aftermath of January's devastating earthquake there's a lot of talk about finally getting things right in Haiti, a sense that the opportunity to rebuild means the opportunity to fix what's been wrong. The World's Jeb Sharp reports.
Stem cells are often touted as potential treatments for conditions like spinal cord injury, diabetes, and Parkinson's disease. Two Indian doctors are already putting stem cells to use, curing some cases of blindness.
In the West African nation of Senegal, an informal recycling industry has poisoned children and left a neighborhood severely polluted. Residents caused the contamination by pulling apart car batteries to extract the lead. Jori Lewis reports.