It is a popular statistic used by celebrities and charity campaigners but is it true?
What role will China play in space exploration in the future?
Presented by Paul Henley with guests Colleen Graffy in London and Ed Girardet in Geneva.
Can technology help to ease 200 km traffic jams in Sao Paulo?
Norman Foster created the Gherkin in London and redesigned the New York Public Library.
Erdogan speaks to supporters; Rouhani and the US; the man who defined genocide.
PM addresses supporters; Putin warns West against arming rebels in Syria; hapless fathers
Monday 17 June 2013