Is it better for children to start school young at four years and six months or to wait until the compulsory six years of age? Research by Dr Ben Edwards at the Australian Institute of Family Studies suggests that late starters have an edge in verbal development and problem solving but, surprisingly, there's no difference...

Howard Rheingold is a long time observer and commentator on the social dimension of the internet and mobile technology. He is credited with coining the term 'virtual community' and was one of the original members of one of the oldest online communities called 'The Well'. He's sceptical about 'stranger danger' on the internet, and says...