Today’s daily viz from Derek Lieu, a web producer at The Chronicle of Philanthropy: The number of charities and foundations in the United States reached nearly 1.3 million in 2010, representing a 150 percent growth over the last 20 years. This visualization charts the changes to the tax-exempt... Read more →

Doctor Legislation Raises Safety Concerns, Questions of Motive Read more →

Reading this New York Times story about data visualization, I stumbled upon a tree map of the 100 most popular songs on iTunes, updated every 24 hours: Source: The Hive Group | Data: xml Read more →

President Obama announced by email this morning that his reelection effort is starting. Here’s how that message looks as a word cloud: Read more →

An interactive map from work:  This map visualizes the number of years officials have served in the U.S. House of Representatives, with darker shades representing longer seniority. Toggle the map below to see the members’ political affiliations (red=Republicans; blue=Democrats). Read a related... Read more →

Inspired by FlowingData’s post, I mapped world gas prices by gallon in U.S. dollars. Gas is most expensive Turkey ($9.69) and The Netherlands ($9.01), where my mother in law lives and drives. It’s least expensive in Venezuela (9 cents) and Saudi Arabia (61 cents), two oil-rich states that surel... Read more →

I’ve been excited lately about the later stages of the UEFA Champions League, which pits the best football clubs in Europe against one another in a tournament-style competition that lasts intermittently for several months. We’re inching close to the semi-finals and the final, which comes in lat... Read more →

Several Texas Counties Among Most Diverse Read more →

A cross post from my work blog: The Bronx. Queens. Fort Bend? Texas now has some of the nation’s most diverse counties, according to an index created by USA Today to analyze U.S. Census data.  Nine Texas counties make the list of the 40 most diverse counties in the country, according to the ana... Read more →

Yesterday’s Census maps — in 3D. Color shades represent growth rates. Extrusions represent raw population changes. Read more →