Estonian programmer Jaan Tallinn helped create the file-sharing application Kazaa and then the famous video-call system. Now he wants to save the world.
Martin Stiksel, founder of Last.fm, is back with an even more ambitious project: to organise the entire web according to each user’s behaviour.
Four Danes have created award-winning upmarket headphones. One of them describes the challenges of fusing design and audio engineering.
Can America’s shale-gas revolution be repeated in Europe? The furore over earthquakes and chemicals has obscured more important issues.