July 9, 2012 -- Updated 1152 GMT (1952 HKT) The anniversary of the birth of South Sudan comes amid high tensions with its northern neighbor and economic concerns. July 8, 2012 -- Updated 1911 GMT (0311 HKT) Lessons learned in Concordia disaster have brought changes to cruise safety, but it has cast a shadow on a rapidly expanding industry. July 8, 2012 -- Updated 1753 GMT (0153 HKT) Look at high-res gallery of the exciting Wimbledon men's tennis final between Roger Federer and Andy Murray. July 9, 2012 -- Updated 1054 GMT (1854 HKT) Agriculture is the key battlefront to tackling hunger and poverty in Africa, but one of the great drivers of widening inequality. July 9, 2012 -- Updated 1722 GMT (0122 HKT) New particle fits description of elusive Higgs boson, scientists say. Since then, there has been wave of Higgs humor on Twitter. July 9, 2012 -- Updated 0946 GMT (1746 HKT) What's your X-Factor?