John Metcalfe

Mapping the Most Poop-Filled Waterways in New York

Here's where you really don't want to swim in the Big Apple.

Designers Morph Bikes and Cars into Green Frankenvehicles

These human-powered jalopies invoke the fantastical vision of Buckminster Fuller.

Taiwan's Rivers Are Flowing with the Drug Ecstasy

Scientists are pointing the finger at a giant music festival.

Mohammed Is the Most Common New York Taxi Driver Name

A data scientist ranks the city's top 20 names for cabbies.

Icy Spines Make Boulder Look Like a Magic Crystal Cave

Trees, bicycles, and swing sets sprouted growths of prickly ice needles.

The Golden Gate Bridge Gets a Big 'Zipper'

The moveable traffic barrier is designed to prevent head-on wrecks.

Stay Dry as You Pedal with the Bicycle Umbrella

Dutch designers want you to put away that awful-looking rain poncho.

The Billion-Dollar Weather Disasters of 2014

Here's a grim reminder of the rising number of weather and climate calamities.

This Smart Pedal Will Hunt Down Bike Thieves

The high-security device also monitors speed, routes, and calories burnt.

How to Spot the Comet 'Lovejoy' Before It's Gone for 8,000 Years

The glowing, green interloper will become even more brilliant in coming weeks.

Seattle Gets Doused in a Mysterious 'Stinky Fog'

The unexplained mist had a putrid odor reminiscent of compost and sewer.

Will Shoes One Day Generate Renewable Energy?

These insoles would let wearers produce electricity and feed it into the grid.

Here's the Polar System That's Freezing the U.S.

Hello, wind chills of -45 degrees.

Proof that California's Drivers Can't Handle the Rain

Crunching the numbers on L.A.'s wet-weather car wrecks.

It's Too Early to Call 2014 the Hottest Year on Record

Scientists are still compiling evidence for that ignoble distinction.

A Giant, Fake Moon Rises in an Abandoned Lithuanian Building

Residents of Kaunas are seeing double due to a local artist's surreal astronomical illusion.

How the Chances of a White Christmas Have Changed Since the 1960s

A new analysis of weather data shows that in a few regions, it has become less common to see snow over the holidays.

2014: An Epic Year for Climate Change and Other Weather-Related Disasters

Extreme heat, record-breaking floods, and a terrifying tornado in oil country—all in all, a year we can't afford to forget.

A Bare-Bones Electric Motorcycle for Green Urban Riding

This ultralight bike is designed to cut pollution and slice through traffic jams.