Maangchi's career was born when her son suggested she start making videos of herself cooking Korean dishes.
A Massachusetts-based group of Internet activists is helping Egyptian protesters stay online, while hiding their cyber tracks from the government.
Just before the Egyptian government shut down the Internet in the country last week, The Tor Project saw a spike in Egyptian users downloading its free anonymity software. We speak with Andrew Lewman, executive director of Tor.
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.