Revelations about governments' online snooping have been good news for Gabriel Weinberg , builder of DuckDuckGo – a search engine that doesn't track its users
Police tend to think that intuitive strategies are best for fighting crime, but they should be using research to discover what works – and what doesn't (full text available to subscribers)
As celebrities become more open about their mental health problems, stigma still ensures most people conceal such illnesses, say two researchers in the field
The European Union should make it easier for its farmers to grow genetically modified crops, says the UK environment minister – we look at the state of play
