Battle rages in South Sudan, UN wants more peacekeepers
Hundreds of people have been killed in South Sudan, with reports of ethnically targeted killings. The U.N.'s Ban Ki-moon is recommending more peacekeepers. Jillian Kitchener reports.
Biden pledge undermined by shaky peace deal
US Vice President Joe Biden promises Kiev that Washington is ready to help Ukraine's economy - but his visit is undermined by worries that last week's Geneva peace accord appears to be making little headway. Ciara Sutton reports.
Remote Control: How Aereo Will Revolutionize TV - or Fade to Black
Katie Couric interviews Aereo CEO Chet Kanojia ahead of a landmark Supreme Court hearing that could determine the fate of his company and the future of broadcast TV.
New Yorkers Celebrate Cherry Blossom Blooms
The cherry blossoms were in full bloom for the annual Sakura Matsuri cherry blossom festival at the Brooklyn Botanical Garden. Traditional Japanese dancers in kimonos and teenagers in elaborate Cosplay costumes celebrated the floral affair. (April 22)
Hong Kong Residents Help Create Green Roofs
Two Hong Kong residents created a device that mimics a real eco-system and recycles food waste. It's an idea that helps promote this year's Earth Day theme of Green Cities. (April 22)
Outlandish Brazil World Cup bike ready in Germany
Eccentric German designer Didi Senft shows off his specially crafted World Cup 2014 bike, complete with a Christ the Redeemer statue, à la Rio de Janeiro. Elly Park reports.
9 Little Known Facts About Mark Cuban
Rebecca Jarvis puts Mark Cuban in the hot seat with Real Biz rapid fire questions.
Darren Rovell's Twitter Faceoff with Mark Cuban
From a faceoff with Cuban to America's lime shortage Rovell's top 3 Rovellations on Real Biz.
Myanmar's Muslim Rohingyas say they're facing nutrition crisis
Without help from international aid groups, Muslim Rohingyas in Myanmar say they're facing a dire nutrition crisis. Nathan Frandino reports.
Russia can minimize sanctions' impact - PM Medvedev
As Russia conducts military drills near the Ukraine border, Russia's Prime Minister Medvedev says Moscow can minimize the impact of any sanctions imposed as a result of Ukraine crisis. Deborah Lutterbeck reports.