The latest national and international news, exploring the day's events from a global perspective.
Marcus du Sautoy uncovers the use of a decimal system based on ten fingers of the hand and looks at the contributions of the great Greek mathematicians. Show more
Victoria Coren hosts a special celebrity edition of the quiz, as two teams prepare to lose their dignity in honour of Sport Relief. Show more
Dirk and MacDuff are alarmed to discover that Dirk's old clients are being randomly murdered, with Dirk as the only link. Dirk elects to leave the country, but gets waylaid. Show more
An intimate portrait of Yemen as the revolution unfolds, following warm-hearted tour guide Kais's transformation from sceptic of the revolutionary cause to participant. Show more
Marcus du Sautoy uncovers the use of a decimal system based on ten fingers of the hand and looks at the contributions of the great Greek mathematicians. Show more
Rageh Omaar finds out why, if human depiction is the source of such controversy in Islamic art, it can be found in many of the artworks on show at a British Museum exhibition. Show more
Dirk and MacDuff are alarmed to discover that Dirk's old clients are being randomly murdered, with Dirk as the only link. Dirk elects to leave the country, but gets waylaid. Show more
Victoria Coren hosts a special celebrity edition of the quiz, as two teams prepare to lose their dignity in honour of Sport Relief. Show more
An intimate portrait of Yemen as the revolution unfolds, following warm-hearted tour guide Kais's transformation from sceptic of the revolutionary cause to participant. Show more
Dirk and MacDuff are alarmed to discover that Dirk's old clients are being randomly murdered, with Dirk as the only link. Dirk elects to leave the country, but gets waylaid. Show more