Italy's top appeals court acquits Amanda Knox and Raffaele Sollecito of the murder of British student Meredith Kercher in 2007.
Why did Singapore ban chewing gum?
The British teenager who became an unlikely star of Indian cinema
What drives people to murder-suicide?
What kitchen strategy makes rice less fattening?
Why do people exchange texts with imaginary partners?
Why do disabled people feel excluded from the voting process?
How to start your own bed and breakfast
Where will 'winding up' Westminster lead?
Which party leader won the first TV contest on social media?