Monday, Jan. 5, 2009 | The Kojo Nnamdi Show

The image stunned suburban commuters and television viewers across the country: a wall of water advancing down Bethesda's busy River Road. That image was the result of a massive water main break -- the sort of break that officials have...

A new law went into effect this week -- allowing police to take DNA swabs of people accused of -- but not yet convicted of violent crimes and weapons charges. We look at the controversy over the new law, and how it might affect both...

Governor Tim Kaine was one of the earliest supporters of Barack Obama's presidential bid. Now, Obama is reportedly rewarding him with a high-profile job -- head of the Democratic National Committee. We explore what the role entails and...

Genetic science can explain the color of a child's eyes or hair but what about the cultural ideas that the child is likely to adopt? An emerging field of study called memetics focuses on just that: the natural selection of cultural norms...