John Metcalfe

Why Is America Dotted with Giant, Concrete Arrows?

These old air-mail beacons are visible all over the land (if you know where to look).

The U.S. Is On Track for the Worst Megadrought in 1,000 Years

Looming drought conditions will exceed anything seen since Medieval times, say scientists.

Louisiana's Threatened Coast Is Growing Patches of New Land

Is this an encouraging sign in the fight against rising sea levels?

An Artist Covers a Street with Giant Cockroaches

These insectoid hulks belong in a zoo.

Please Let China's New Fare Card Be a Slap Bracelet

Here's hoping the 1990s are back!

These High-End Apartments Wrap Around the Base of Wind Turbines

Plus: supporting green tech. Minus: living in a lightning magnet.

Radar Spots Massive Swarms of Bats Over Texas

The warm weather has activated the state's legendary hordes.

NASA Builds a Nightmare Room of Solar Fire

A new exhibit throws viewers into the boiling plasma and eerie soundscape of the sun.

A Gray Whale Has Been Spotted in a Narrow Urban Channel in Tacoma, Washington

Local reporters are speculating the beast may be sick or hurt.

Lake Ontario Is Sprouting Bizarre Ice Formations

Ever heard of an "ice volcano"?

These Oregon Beer Lovers Have Reinvented the Pint Glass

Finally, a beer glass with a 3D Mount Hood at the bottom!

Here Are the Tools to Hack into Your City's Public Advertising

But you probably shouldn't do that, says the artist making them.

Adventure Climbers Conquer Hong Kong's Sky-High Towers

The result: footage so arresting it should be prescribed as a diuretic.

This Floating Wind Turbine Looks Like a Stubby Shark

Its inventors say it can reach more powerful winds than boring, land-based turbines.

A Terrifying Airplane Crash in Taiwan

A jet struck a freeway and taxi before hitting the water, killing and injuring many.

Incredible Photos from the Construction Site of the New Bay Bridge

A photographer spent more than a decade shooting from hellish, confined spaces and fog-shrouded eagles' nests.

Play God With This Customizable Miniature City

The 3D-printed buildings are based on architecture in New York, Chicago, and elsewhere, and can glow at night.

These Delicious Appetizers Are Also Data Visualizations About the Middle East

Who knew saffron risotto with barberry chutney could say so much about Internet censorship in Iran?

In the 'Workplace of the Future,' We Hang Like Monkeys from Vertical Gardens

This visionary office attaches to existing buildings to fill them with light, hope, and zucchini.