Examine the implications of the Fukushima accident for U.S. nuclear safety.
Witness an unprecedented account of the crisis inside Japan's Fukushima Dai-ichi nuclear complex after the earthquake and tsunami on March 11, 2011.
Follow the battle over the future of Rupert Murdoch's News Corporation, his reputation and his family's fortunes.
Find out how the field of forensics, with few uniform standards and unproven science, can undermine the search for justice.
Join correspondent Miles O'Brien to investigate the flaws in our dental system and nascent proposals to fix them.
Trace the history of the AIDS epidemic through the experiences of individuals who tell their stories.
Journey to the heart of the insurgency, inside the rebel groups that are waging a brutal, full-scale assault on the forces of President Bashar al-Assad.
Witness a high-stakes experiment to rescue students prepared to quit high school without a diploma.
Hundreds of hours of research and dozens of original interviews reveal new details and fresh insights about the two candidates - and our choice this November.
Investigate the groups that changed the debate on climate and redefined the politics of global warming.
Travel to the remote epicenter of the campaign finance debate for a tale of money, politics and intrigue.
Explore the shadow world of assisted suicide, where the lines between legality and criminality are blurred.

Three girls grow up in the Quad Cities, a crossroads along the border of Iowa and Illinois which has been deeply affected by the recession. Follow them in this unflinching and revealing exploration of what poverty means to children.