Jenna Gorlewicz describes her App for helping the visually impaired.
Stephen Sackur asks, what is the real lesson of the remarkable story of Aimee Mullins?
French police are at the house of the suspect in a shooting at a Jewish school.
The BBC news programme where you set the agenda.
Claudia visits Berlin, home to some of the world's most sophisticated sports technology.
Thursday 22 March 2012