To celebrate Earth Day, National Geographic hosted a Google Hangout—a free, online face-to-face discussion—with real-world scientists.  The #OurEarth: Innovation in Exploration Google Hangout focused on the technology behind scientific expeditions. Scientists discussed the tools they use to measure Arctic ice flows and explore the mysteries of lightening strikes. One scientist even participated in the discussion from underwater, showing off the tools he uses to study … Continue reading Incorporating Live Broadcasts into Your Classroom