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Flickr/JD

London's Tube Is Dangerously Hot, and the City Can't Do Much About It

Temperatures inside trains have climbed above government guidelines for safely transporting livestock. But narrow tunnels leave few options for modern climate control. 

Japan Pool/AFP/Getty Images

Here's How American Scientists Plan to Prevent the Next Nuclear Disaster

Updated design, safety protocols, and job training will help U.S. plants prepare. But improvements are "ongoing" and hard to quantify. 

(Flickr/peterhellberg/Mark Byrnes)

What Happens When Every City Has a Giant Ferris Wheel?

Observation wheels are reaching the point of ubiquity in tourist capitals. Is this trend ever going to slow down? 

Adam Dale/North Carolina State University

Urban Heat Islands Are Helping Kill Trees

The warmer conditions cities create make plant-eating pests thrive.

Ministry of Transport Singapore/Flickr

Singapore's Early Morning Free Transit Program Has Been a Huge Success

Encouraging commuters to leave earlier has made for less crowded trains during the peak.

Flickr/thisisbossi

By 2060, the American South Could Be Three Times as Urbanized

Here comes Charlanta the Gargantua.

Carlos Barria/Reuters

Black Homeowners Are Worse Off Today Than They Were 40 Years Ago

A new study finds that African Americans are dramatically more likely to transition back to renter status than whites.

Andy Warhol, Empire, 1964/The Andy Warhol Museum

Andy Warhol's Film 'Empire' Turns 50

Celebrating one of the world's most famous skyscrapers on the day an equally famous artist filmed it. For a long, long time.

Christopher Swope/Citiscope

Medellín Made Urban Escalators Famous. But to What End?

The results of a three-month study on the economic and social effects of the Colombian city's iconic intervention. 

Slow Factory

Cities from Space, on Stunning Silk Scarves

Wearable satellite images of Paris, London, and New York. 

Christine Pulliam/CfA

Could Extraterrestrial Pollution Be a Sign of Life in Space?

A novel approach to the search for intelligent (or not so intelligent) beings. 

Where Restaurant Reservations Come From

A journey into the mysterious origins of the pre-arranged table.

Griffin Hammond, Randy Clemens

Tracing Sriracha's Origin to a Seaside Town in Thailand

A visual history of the "rooster sauce" that goes with everything.

Chris Walker/Mic

Imagining the Gaza Invasion in Major U.S. Cities Through Maps

There are 1.8 million people in Gaza. What would that look like in your city?

REUTERS/David McNew

The Housing Market Is Improving, but There Still Aren't Enough Affordable Homes to Go Around

The "great reset," continued. 

Reuters/Marcos Brindicci

Why Are Europeans 'Bad English Shaming' Their Politicians?

English has become the lingua franca of Europe. And politicians who can't speak it well are getting roundly mocked by their own citizens.

Project Connect

Austin's Rail-or-Fail Vote Is Uniting Transit Supporters and Foes

Facing down a determined opposition, Austin is wise to plan for growth with its new rail project—even if that means investing in areas where demand is only starting to arrive.

Tomáš Moravec

Think You Can Shred? Try Skateboarding a Pallet Down Tram Tracks

We don't actually recommend that. But one skater has developed something way cooler than any longboard.

A Chinese City Has Been Quarantined After Reports of Plague

The Black Death is back. In China. Right now.