Maangchi's career was born when her son suggested she start making videos of herself cooking Korean dishes.
Japan is bracing for a third possible explosion at its troubled Fukushima Dai-ichi nuclear power plant. Two hydrogen explosions have already rocked the plant, injuring several workers. Water levels dropped severely at another reactor, completely exposing the fuel rods and raising the threat of a meltdown, which happens when the fuel pellets get so hot, they burn through the containment structures.
We speak with Paddy Regan, a nuclear physicist at the University of Surrey in the U.K.
Peter O’Dowd follows the route of Abraham Lincoln's funeral train 150 years ago, to look at modern-day race relations and Lincoln's legacy.