We at VF.com would like to direct your attention to this remarkable, fascinating, and interactive (!) population-density graph. The map is the creation of University of Oregon graduate student Derek ...

It is tempting to think that some materials are always heavier than other materials. For example, someone might say that metal is heavier than air. But it depends on how much of each material there is ...

The field of graph drawing and crossing numbers occupies a pivotal position at the intersection of computational geometry and network visualisation. Researchers in this domain strive to develop ...