A question posed by his young daughter about her hair prompted comedian Chris Rock to produce this comedy documentary about the influence of the $10bn (€7.8bn) hair industry on Afro-American women, who seem willing to suffer both financial and physical damage to have the ‘right’ hair … apparently straight or wavy.

With a brief, but embarrassing setback behind them, Nasa crews began fuelling Discovery for lift-off later today on the first space shuttle flight in two-and-a-half years.