London

Flickr/Paul Lowry

Throwing It All Away: NYC Subway Trashes More Trash Cans

Transit officials say a pilot program has helped reduce garbage inside stations, but results elsewhere have been mixed.

YouTube/UCLEngineering

Making Sense of Inevitable Transit Delays

Researchers are using rider data to better understand how stressed subway crowds flow through the system.

Reuters

Which American Cities Won the Most Medals?

When it comes to the Games, the West Coast dominates.

This Is Now

Seeing a City Through Instagram

A real-time stream of every photo taken in five cities.

Canopy team

A Subway Train Ceiling Straight Out of 'Harry Potter'

London designers want to outfit the Tube with a real-time scrolling display showing the sky passing by above.

This Is What It Will Look Like When the Plants Take Over London

One British designer imagines future office space as symbiotic orchid farms.

Flickr

Abandoned Tunnel Use of the Day: An Underground Disco

London pays tribute to Saturday Night Fever with a party in some abandoned train tunnels.

Shutterstock

Did Olympics Organizers Fail to Plan for London's Rain?

Forecasters warn that this will be the wettest Summer Games ever, and many venues were not designed for dreary weather.

Po-Chih Lai

The Craziest Skateboard Ever Can Walk Down Stairs

Po-Chih Lai's "Stair Rover" is meant to conquer the rugged streetscape of London.

VIGO Gallery

An Art Exhibit Underneath London Made of Entirely of Fungus

"The Majesty" is an installation in an abandoned London railway vault that's crawling with slow-moving, spore-spitting mold.

Stephen Walter

The Invisible Underworld of London

Artist Stephen Walter maps the city below the surface.

Luke Jerram

A Public Sculpture That Moans and Howls in the Wind

Luke Jerram's wind-powered "Aeolus" looks like the result of smashing together a pipe organ and a porcupine.

Edible Bus Stop

An Urban Garden for Your Bus Stop

A London gardening project aims to plant food up and down a city bus line.

Shutterstock

Plastic Straw Bans Are the New Plastic Bag Bans

Environmentalists have kicked off a campaign called "Straw Wars" to rid London's Soho district of drinking straws.

Citycalfe

This Week in Bans: Michigan Town Terrorized by 'Monster' Graffiti

Also, a girl can't wear the Confederate flag to prom in Tennessee; the British can't even support their own Olympics; Yertle the Turtle is banned in Canada.

Reuters

London's Next Top Mayor

The race to be mayor of London has devolved into personalities, but serious economic and social issue confront the city and its next mayor.

Bernt Rostad/Flickr

This Week In Bans: Alabama Chokes on 'Dirty Bastard' Beer

Also outlawed around the world: "gay cure" ads in London, discrimination on the basis of sexuality in Indiana, South Carolina yarn bombing.

Silent U.K.

From the Top of the Shard, London Looks Like a 'Giant Urban Circuit Board'

Urban explorers recently climbed the tallest building in the European Union. Here's what they saw.

JCDecaux et al.

This Bus Shelter Will Give You Free Cake

The pinnacle of bus-shelter advertising madness has officially been reached with this pastry-scented campaign in London.