Japan reacts with anger as a video is released online appearing to show the murder of hostage Kenji Goto by an Islamic State militant.
All children in England will need to know up to their 12 times table when they leave primary school under plans announced by the education secretary.
Live TV, text and radio, plus pictures and social media, as Andy Murray bids to win his first Australian Open final.
The man who saved thousands of Jews then disappeared
Playpens to drones - new ideas to reduce deaths by drowning
Great long reads to enjoy at your leisure
What could you buy for the cost of a Super Bowl ad?
Does technology make people touch each other less?
Round-up of social media trends around the world this week