NASA tracking sun's surface with Solar Dynamics Observatory
Japan sends youngsters for digital detox
Impact of Apple's change of heart on music service
Progress made in Greece debt talks
Europe launches satellite with colour vision
High-tech trap to catch graffiti vandals in the act
Thailand cracks down on ivory smugglers
Thousands gather at Stonehenge for summer solstice
UNHCR: Jolie visits Turkey on World Refugee Day