Sara Johnson

Sven Hoppe/Shutterstock.com

America's Declining Teen Birth Rate, Explained in 3 Charts

Contraception access remains vitally important.

Denise Fortado/Shutterstock.com

The Truth About the Fecal Matter the CDC Found in Atlanta's Public Pools

Only you can prevent your municipal swimming pool from being filled with poo.

Gordon Swanson/Shutterstock.com

Today's California Supreme Court Decision Gives Cities the Right to Shut Down Marijuana Dispensaries

The ruling came down to concerns over land use, not weed.

Aestetica/Shutterstock.com

Map of the Day: The Geography of Unmarried Mothers

Flagstaff, Arizona, had the highest share of new mothers that were unmarried and Cheyenne, Wyoming, had the lowest.

Courtesy of Brick City

How to Build an Urban Icon ... Out of LEGOs

Brick City, released today, offers models of buildings and infrastructure that span continents.

David W Cerny/Reuters

Scenes From the Prague Explosion That Injured 35

A gas break is likely to blame.

Map of the Day: Pollution in California

A new interactive map ranks California zip codes based on factors including air quality, pesticide use, groundwater, and traffic density.

Jaime R. Carrero/Reuters

Meanwhile, in West, Texas: An Entire Town Must Dig Out From Rubble

Let's not forget about the victims of this week's other major explosion.

Scenes From Inside a City on Lockdown

Boston area residents are holding their breath.

HUANSHENG XU/Shutterstock.com

Stark Stat of the Day: 47,000 Pedestrians Were Killed Between 2001 and 2010

Nearly 70 percent of those fatalities were men; people over 75 were also at higher risk of getting hit.

WBEZ 91.5

The Chicago River Is Now Running in the Opposite Direction

The river will flow temporarily into Lake Michigan, where it'll dump millions of gallons of raw sewage.

SF Live Bus

Real-Time Transit App of the Day: A Ballet of Buses in San Francisco

The SF Live Bus app adds a bit of whimsy to the highly practical world of transit arrival data.

Google Maps

The 71 Countries Targeted in Boston

Participants in the 2013 Boston Marathon hailed from across the globe.

Shannon Stapleton/Reuters

An 'Eerie' Stillness Lingers in Boston

Locals on social media report a distinct lack of chaos, "just a feeling that everyone is focused."

Andrew and Ivan Avdeenko

Amazing Bathroom Fixture of the Day: The Street Map Sink

Haven't you always wanted to brush your teeth over the streets of London?

Tobias Schwarz/Reuters

At Least We Have a LEGO Version of the Berlin Airport

A scale model of the troubled airport project was completed before the original.

Spatial Information Design Lab, GSAPP, Columbia University

How a Map Is Like an Op-Ed

Thanks to the open data movement, anyone can be a cartographer. Professor Laura Kurgan on geography as a storytelling tool.

Stephen Lam/Reuters

Class-Divided Cities: San Francisco Edition

The 11th in our series exploring the class divides across America's largest cities and metros.

Robert Galbraith/Reuters

More Problems for San Francisco's New Bay Bridge Span

One-third of 96 recently tightened steel rods have snapped, and they can't be easily repaired.