An experiment in inner-city education puts historically low-achieving students in New York City on an academic par with their peers; former NBA referee Tim Donaghy discusses betting on... Full summary

Gold fuels a war in the Democratic Republic of the Congo; ocean explorer Robert Ballard.

The cost of prolonging one's life in intensive care; journalist Maziar Bahari discusses being tortured by the Iranian Revolutionary Guard; how director James Cameron created his new... Full summary

On the road with a bomb-hunting unit in Afghanistan; paleontologist Jack Horner.

Hackers who threaten national security; author Andre Agassi discusses his upcoming book, "Open."

The safety of the vaccine for the H1N1 virus; the Japanese mafia, Yakuza, has a worldwide influence; people who illegally distribute movies over the Internet.

Medicare and Medicaid fraud; epilepsy; actor and director Tyler Perry.

How the government plans to fight the flu pandemic; the machine invented by John Kanzius that may offer effective cancer treatment without radiation and chemotherapy; director and... Full summary

A U.S. Marine company in Afghanistan; numerous blows to the head can cause brain damage; people wearing wing suits jump off mountaintops.

Lawyer Marc Dreier discusses how he scammed people out of more than $400 million; residents of Kingston, Tenn., are told to stay out of a river in which coal ash was spilled in December... Full summary