In countries where bicycling is routine, people rarely wear helmets. In America, where automobiles dominate, pedalers sport protection.
And then because that wasn't enough, walk on a crane more than 2,000 feet above the pavement.
A wild experiment in 3D data visualization.
Now is the winter of the "sneckdown." What's that even mean? Read on.
We hope those backpacks are parachutes.
A cruel (if slightly amusing) prank on Paris's metro riders.
The results reveal the power of agglomeration as we've never been able to see it before.
It's not just snow down there, at the bottom of the world.
This weekend, Frankfurt's AfE Tower made history as the tallest European building to suffer a controlled implosion.
An experiment from Shanghai.
Performed on a London rooftop.
And Ritch Ames made a video of what that'd sound like.
The year's major weather events are all crammed into eight minutes of entrancing footage.
A documentary explores a controversial subculture through the eyes of a young boy.
The city's inability to stop on red is shown in this wince-worthy highlight reel of 2013 crashes.
The science of distracted strolling.
The chaotic order of nature's social networks.
A tongue-in-cheek video makes the case that even an average Swede is better off than an upper-class American.
Nine of the 10 hottest years on record all occurred after 2000, says NASA.