This week on Science for the People we look at the modern, inventive ways we try to use math and algorithms to make better decisions, and what happens when those solutions cause more problems than they solve. We speak with Cathy O'Neil about her book Weapons of Math Destruction: How Big Data Increases Inequality and Threatens Democracy and the increasingly opaque and unregulated algorithms that are creeping into our lives. We also talk with David Robinson, co-founder and principal of the think tank Upturn, about their report on the current use of and evidence behind Predictive Policing.