School bus bombed in PakistanBy Josh Levs and Zahir Shah Sherazi, CNNUpdated 1343 GMT (2043 HKT) August 19, 2014Story highlightsTwo children, three teachers and a bus driver killed, official saysAttack happened in semi-autonomous tribal districtSix people, two of them children, were killed Tuesday when a school bus was struck by a remote-controlled bomb in northwestern Pakistan, authorities said.The dead included a 5-year-old boy; a 7-year-old girl; three teachers and a bus driver, according to Sohail Khan, an official with Bajaur agency, the region in which the attack occurred.The bus was part of a local education organization funded by the Dutch education ministry.Bajaur is one of the semi-autonomous districts that make up northwestern Pakistan's Federally Administered Tribal Areas.CNN Recommends AIRASIA CRASH10 questions about AirAsia tragedyWith the discovery of debris from the AirAsia plane, investigators move closer to discovering what happened. What are the key questions, and what comes next?AirAsia disaster's lasting impactThe growth of AirAsia has been a regional aviation success story. The reason behind the loss of Flight QZ 8501 will be key to whether passengers start to shun it, says Alan Khee-Jin Tan.'Africa is not a country' campaignThey say there are no stupid questions -- but are there? How about, "Do you speak African?"What broke China's Internet in 2014The year of outrage also applies to China's Internet users in 2014.Swimming face-to-face with sharksOne man swims among sharks without the protection of a cage to make studio-quality, intimate photos of the sea creatures.Turning footsteps into free energyUsing a technology that has been around for 130 years, a company called Pavegen hopes to create electricity from everyday human activities.Father of Web predicts next phaseWhat's next for the Internet? Acclaimed scientist and fatherof the World Wide Web Sir Tim Berners-Lee shares his insights.Best Instagram art of 2014Gone are the days of grainy phone images with the resolution of a poor imitation Monet.'Killing will be our religious duty'A chilling video shows Boko Haram executing dozens of non-Muslims. The year in pictures "The year in pictures" treks across the globe, looking back on the events that shaped 2014.Defining Moments: Our changing worldEach day, CNN brings you an image capturing a moment to remember, defining the present in our changing world.Scenes from the fieldBrowse through images from CNN teams around the world that you don't always see on news reports.More from asiaKim Jong Un Fast Facts Over 500 Pakistani parents arrested for children's failure to get polio vaccineNew Delhi rapist on victim: 'She should just be silent and allow rape'