Take top thinkers from Silicon Valley and science, mix them with a heavy dose of utopianism and showmanship, and you've got the Singularity University – on a mission to seek technological solutions to the world's great challenges, writes Carole Cadwalladr
Parents worry what their daughters are exposed to online, not realising there are sites where young women are helping each other to get through adolescence, writes Eva Wiseman
With her new TV series about the lives of ordinary Romans, Professor Mary Beard wants to tackle history differently. The nation's new favourite classicist talks to Stuart Jeffries
Teachers agree that computer science is the future for schoolchildren. But a massive retraining programme will have to come first, they tell Lisa O'Kelly
Last autumn the Observer joined forces with Nesta to find examples of inspirational Britons. Geoff Mulgan explains how we arrived at the 50 visionary projects