Recently, two researchers proposed a way to preserve a record of our planet in its present state: use lasers to create a high-resolution, 3D map of the entire world.

One designer has taken it upon himself to change the way we commute across the globe. Here are his rules. Even the boldest urban dwellers can get lost on the subway. Maybe not in their own city ...

The Earth Archive nonprofit wants to preserve a record of Earth in its present state by using lasers to create a high-resolution, 3D map of the entire world. We're going to need a lot of lasers ...