Henry Grabar

Suzanne Plunkett/Reuters

The London Marathon Will Go On This Weekend, Organizers Say

Race officials are reviewing security precautions with local police after the attacks in Boston Monday.

Associated Press

'America Will Say a Prayer for Boston Tonight'

Apparent terror attacks at the finish line of the Boston Marathon.

Reuters/Ahmed Jadallah

Dubai to World: Forget Our Debt Crisis, Look at This Shiny Car

Lamborghini logic.

Shutterstock

DIY Urbanism of the Day: How Many Drivers in Your Nabe Aren't Signaling?

And are they better or worse than the national average?

Laurent Chehere

Here's What It Would Look Like If Paris's Houses Could Fly

An artist reimagines the city's homes against the sky.

Copyright Claude Truong-Ngoc / Wikimedia Commons

Could Paris End Up With a Metro Station Named After Serge Gainsbourg?

The system's expansion means plenty of jockeying to name the city's newest points of reference.

Shutterstock

Widget of the Day: A Global Population App From the Census

Watch the world grow.

Journal of the Royal Society

The Ultimate Bedbug Solution May Have Been Here All Along

Leaves. Leaves!

Hyperlapse

Streetview Hack of the Day: Animate Segments of the Road

A new site lets you turn any stretch of Streetviewed road into a hyperlapse, a timelapse with a mobile camera.

Expatistan

Mapping the Cheapest Cities for Living the Expat Life

A user-generated global city comparator.

Creative Commons

Morbid Database of the Day: Death Locations

Do you like maps and death?

Saatchi & Saatchi/MA

Imagining Moscow Landmarks If They Were Mostly Underground

The "iceberg" metaphor made literal.

Urbanist Bracket Challenge: We Have a Winner!

The stunning conclusion to the pedestrian streets vs. bike lanes nail-biter.

Albeiro Lopero/Reuters

The Golden Age of Gondolas Might Be Just Around the Corner

Meet the evangelists of cable-drawn aerial transportation.

Edmonton Public Library

Lost Treasure of the Day: Edmonton's Streetcar Bookmobile

How good things once were!

Reuters/Enrique Marcarian.

Could Earth's Population Peak in 2050?

Spanish researchers are making the case that the world will in fact be less crowded in 2100 than it is now.

Jérémy Laffon

The Fascinating Design Challenges of Building Cities Out of Chewing Gum

Gum architecture doesn't stand the test of time, but that's what Jérémy Laffon likes about it.

Kokau

Challenge of the Day: Three Words to Describe New York

Shorter city pride.

Urbanist Toolkit Bracket Challenge: Championship Round

This one's for all the marbles.