And where they're scrooges.
A time-scale transit map shows how long it takes to get around on Muni, BART, and the Caltrain.
Where the rich live with the rich, and the poor live with the poor.
A select few countries have been responsible for the majority of the world's CO2 emissions since the '70s.
Very few people in Boston are uninsured, but there are huge swathes of them all over Dallas.
The Boston-Washington corridor, home to 18 percent of Americans, produces more economic activity than Germany.
How U.S. cities stack up economically worldwide.
The challenges of surveying an intricate land mass that's losing 16 square miles a year.
In many places, there aren't enough affordable housing options to go around.
Each region of the U.S. has the same four most common complaints, just in a different order.
In the era of Google Fiber, there's more reason than ever to confront America's digital divide.
Twenty-three percent of the city's 2013 car-related fatalities occurred in just 5 percent of its neighborhoods.
The uneven geography of digital information.
The places creative, service, and working class jobs will grow the most by 2022.
Here's a primer to last month's significant floods, droughts, and overall hotter-than-average temperatures.
A common problem with differing causes.
A new study from the University of Michigan maps global fatalities from car accidents.
Street grids of necessity.
This is what a subway map looks like when you remove every stop that isn't wheelchair accessible.