Obama's Legacy: Race Relations

With less than one year remaining until the US presidential election will race relations test President Obama's legacy? We are in his home town, Chicago, where we'll be hearing different voices from the police to community activists.

China tries to scare off the BBC's Rupert WIngfield Hayes from flying over the new islands China is building on international waters in the South China Sea.

Travelling in space has many odd effects on the human body - one of the strangest has to do with vision. We hear from a former astronaut.