Dental hygienists have been finding mysterious tiny blue specks on people's gums and the culprit is the toothpaste.
News images from around the world: 17 September
Apple has extended the use of two-step verification checks to iCloud back-ups, preventing the use of a tool to download iPhone and iPad back-ups.
At least 67 South Africans were killed when a church hostel belonging to Nigerian TV evangelist TB Joshua collapsed in Lagos, President Zuma says.
An apparent fireball lit up the night sky across Wayne, New Jersey. CNN affiliate News 12 New Jersey reports.
After a long summer of bombardment by government forces, residents of Luhansk are trying to return to normal life as the BBC's Paul Adams reports.
Jon Huntsman and Joe Manchin say Americans should rally around economic growth, energy security, preserving Social Security and attaining a balanced budget by 2030