When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how exactly do wolves change rivers? George Monbiot explains in this movie remix.
Microsoft seems to be finally making waves in geo: Bing Maps Favelas; Azure Search; Power BI Visualization. Does all this point to a renewed focus on geospatial for consumer and enterprise?