How do you measure the milestones in your life? We all have events that help us mark the passage of years: school and jobs, marriage and family, births and deaths. These are of course primary in all our lives, but…

Yes, you read that right. In honor of Pluto’s imminent debut on computer screens worldwide, I’ll award it planetary status for the next few months. After all, when the New Horizons spacecraft nearing Pluto now was launched in January 2006,…