We all have a lot of questions about Mars. Recently, at a National Geographic Live event in Seattle, we collected quite a few. Luckily for us, Dr. Ray Arvidson, planetary geologist and professor at Washington University in St. Louis, has answers! Dr. Arvidson directs the Earth and Planetary Remote Sensing Laboratory, and has worked on the Mars Exploration Rover (Spirit and Opportunity) and the Mars … Continue reading Mars Questions? We’ve Got Answers.
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
“Nine billion people. One planet.” The tagline for New York Times journalist Andy Revkin’s Dot Earth blog affords a sobering reality check. The world’s human population is projected to reach nine billion by the year 2050, producing an unprecedented degree of strain on the planet’s natural resources. It would seem to paint a bleak picture for the future. And yet, Andy Revkin remains optimistic. While … Continue reading Revkin “Dot Earth” blog informs and inspires