- Lisa on National Television as a Science Teacher! CAREER DAY: Grab your test tubes & beakers! This week on Career Day we’re DISSECTING a career that will really SPARK your interest… teaching elementary school SCIENCE! Lisa Niver Rajna appeared on National Television on KTLA Channel 5 on September 29, 2012, in episode 302 on Career Day. After sharing over 200 careers, Lisa is […]