Which nations got the most out of London 2012 and which took a battering? BBC Sport examines the medals table
Striker Kelly Smith says it would be a shame if Great Britain's women's football team did not compete at the Rio Olympics.
Kevin Pietersen apologises for sending texts allegedly criticising England team-mates to South Africa players, says Alec Stewart.
Will social media prowess win the presidency?
The story of India's first Playboy model
How long before computers realise they are better than us?
BBC © 2012