The Battle of Gettysburg took place 150 years ago,...  ...and the terrain. Anne Kelly Knowles explains the map features.Our team, which includes myself, researc...  ...Alex recreated the 1863 terrain based on a superb map of the battlefield from 1874 and present-day digi...  ...an and I captured troop positions...

This interactive map of the U.S. was constructed using Google's autoco...  ...e stereotypes generated compared with actual data maps . Link-via Metafilter, where commenters contribute...

You might be surprised at how many multiple-vi...  ...tim public shootings happen in the U.S. Here's an interactive map that plots such shootings going back to only 2005...  ...e to pull up more information. Since posting this map , the Daily Beast has received more information fr...