Paperscape is a tool to visualise the arXiv, an open, online repository for scientific research papers. The Paperscape map currently includes all (non-withdrawn) papers from the arXiv and is updated daily
Every day, New York City’s 5.5 million commuters seed the city subways with bacteria from the food they eat, the pets or plants they keep, and their shoes, sneezes and unwashed hands. See some of the species found.
The map above is probably the most detailed map of Medieval Trade Routes in Europe, Asia and Africa in the 11th and 12th centuries you can find online. It includes major and minor locations, major and minor routes, sea routes, canals and roads.