Scottish voters rejecting independence from Britain
Sarah Brown
Sex and risk among people in their 20s
Sex and risk among people in their 20s

Over the last few decades, the period between the time when young adults leave their parents' house and when they settle down to start families has grown substantially. In 1970, 21% of 25-year-olds were unmarried; by 2005, the percentage had jumped to 60%. Marked by self-discovery and exploration, this phase of life has been dubbed the "odyssey years" by some. And along with determining their career and life goals, many unmarried adults in their 20s are also trying to figure out how to manage their sex lives. According to a poll published earlier this year by the National Campaign to Prevent Teen and Unplanned Pregnancy, 86% of unmarried people ages 18 to 29 are sexually...