John Metcalfe

This Time-Altering Helmet Slows Down the Pace of City Life

It might not give you Matrix-style bullet-dodging skills, but this German invention could cause you to walk into an open manhole.

George Dolgikh/Shutterstock

A Startling Number of Americans Use Social Media in the Toilet

Also in this Toilet Tuesday: researchers discover that men experience more "stress" than women when using public bathrooms.

Would You Ride a Bike That Sounded Like a Trotting Horse?

It's a Monty Python gag, of course.

Nation's Capital Ushers in the Holidays with an Exploding Christmas Tree

Next up: a rocket-propelled menorah?

Geoff Chester

The Weird Weather Phenomena Created by Urban Bike Paths

Why do the bike paths of Virginia glow like rainbows pouring from the earth?

Who Destroyed This Iconic African-American Mural in Philadelphia?

The mural celebrating printmaker Dox Thrash is now a big, ugly square of paint.

Perig/Shutterstock

Brussels Tests Out Broken-Window Theory by Targeting Public Jerks

Also in This Week in Bans: a lonesome howl is heard as Germany outlaws bestiality, Cambridge University orders its students to stop throwing flour at each other.

Siamionau Pavel/Shutterstock

Forecasting Flu Outbreaks on a City-By-City Basis

Researchers looking into New York City's flu rates think they may be able to predict local pandemics seven weeks before they happen.

JUST

Bus-Stop Ads Torn Straight From Dante's Inferno

In Berlin, a shadowy street artist known as Vermibus transforms mundane billboards into creepy macabre frightscapes

Portland's New Velodrome a Big Win for Cyclists, Hematomas

A night of competitive cycling on "brakeless" single-speed cycles offers a veritable highlight reel of face planting and smashing into walls.

Is the Air Inside Public Bathrooms Rife With Infectious Particles?

 A review of the research indicates that could be the nasty truth, and other toilet tidbits.

Modern Mechanix

Why Didn't This 1930s Cow-Catcher For Pedestrians Ever Catch On?

This is what passed for road safety 80 years ago.

Regan Appleton

Turn Your Beloved Old Bike Into Taxidermy

In a world that deems it fit to stuff and preserve dead pets, this isn't that bizarre.

Black Friday 2012 Rewind: Here Are America's Craziest Shoppers

Warning: Ahead lies profanity, chair throwing and INSANE DEALS!

What If Westerners Had Their Safe Toilets Taken Away?

They'd join the ranks of one in three women worldwide who face "shame, disease, harassment and even attack," according to WaterAid.

Alex Bogusky/SRAM

Incredible Sculptures Made From Bike Parts

It's astonishing to see what somebody can conjure from the leavings on a fix-it shop's floor.

Visualizing a City's Prodigious Carbon Emissions

This simulation shows one-ton blobs of carbon dioxide rising from the street in giant blue spheres.

Rapha

San Francisco's New Bike Parklet Is a Dismembered Citroën H Van

"It was just sitting there, gathering dust."

Fra Biancoshock/Myst-R

Here's One Way to Waste Time at the Bus Stop

An Italian street artist has the perfect thing for when the bus is running late: Popping bubblewrap.