HumansWe have lost 90 per cent of the original copies of Medieval literature A statistical tool borrowed from ecology suggests that there were originally 40,600 copies of stories about King Arthur and other western European heroes – but only 3648 survive News
HumansGoliath review: Tourism to a ruined Earth explores the idea of home Space colonies offer rich people a way off a broken Earth in Tochi Onyebuchi's latest sci-fi novel, but the pull of home is a powerful force, says Sally AdeeCulture