With A-level results out, education editor Polly Curtis explains why state school pupils are finding it particularly hard to gain admission on to university courses this year. Rachel Williams visits the admissions department of the University of East London to see the clearing system in action.
Gold-medal-winning athlete Caster Semenya faces a sex test to prove she's a woman. David Smith reports from Johannesburg on the outrage in her native South Africa, while health editor Sarah Boseley examines what determines an individual's sex.
The CIA reportedly used the controversial Blackwater security company in its programme to assassinate terror suspects abroad. Peter Beaumont looks at the firm's relationship with the US military.
Nicholas Watt, our chief political correspondent, assesses David Cameron's claim that the Tories are "the party of the NHS" in the light of the Conservative MEP Daniel Hannan's recent comments.
The Guardian's Richard Williams – author of The Blue Moment: Miles Davis's Kind Of Blue and the Remaking of Modern Music – looks at the album's far-reaching influence.
