Scientists say caribou are arguably the most important land animals in the arctic, and they’re hoping new research will help them understand how they are being impacted by climate change and human development. Through drones, satellite images, and GPS collars with video cameras, Logan Berner with Northern Arizona University is one of the experts working on the new project. The research, which will span over the next three years, includes a number of institutions and was made possible by a more than $2 million grant funded by the National Science Foundation. Read more.