Donna Anthony had spent seven years in prison after being wrongly convicted of murdering her two children... -- This is a fantastic article on probability and a reminder that ignorance of math costs lives. If you don't think it matters whether you can compute probabilities, then you shouldn't be serving on juries. This is a superb blog post which I ought to distribute to my students. It also highlights the dangers of national DNA databases, since (like giving everyone a lie detector test) they produce many more false matches than correct ones.