A group of middle school students from Dacula, Georgia, is preparing for a world championship. This weekend the “Robo Sapiens” will head to Louisville, Kentucky for the 2018 VEX Robotics World Championship , where they will present the findings of their latest research on racist robots and bias in artificial intelligence. GPB's Leah Fleming spoke with three students on the team and their coach about their discoveries and their passion for the science, technology, engineering and math (STEM)