Henry Grabar

'Microbial Batteries' Could Soon Allow Us to Harvest Electricity From Wastewater

Stanford scientists say they've figured out how, and now the challenge will be to make it cheap enough to do on a large scale.

Why Is There So Little Innovation in Water Infrastructure?

For one thing, consumers have no tolerance for risk. 

What If Roads Lasted Twice As Long?

An innovation in Texas could extend highway lifespans and decrease repair spending.

50 Years After Its Discovery, Acid Rain Has Lessons for Climate Change

If researchers want to study the connection between environmental disaster and popular concern, acid rain would be a good place to start.

How Biofuel Technology Turned Restaurant Grease Into Gold

As its value has risen, a growing class of criminals are focusing on stealing and selling used cooking oil.

The Coming Battle Over Electric Bicycles

E-bikes are poised for a boom, but are we ready for them?

How Lasers Will Give the U.S. East Coast Precise New Post-Sandy Maps

The survey will kickoff the most revolutionary American mapping project in a century.

Why Blackouts Are More Common Than Ever, in 2 Charts

Ten years after the 2003 meltdown, weather-related outages are on the rise.

Would This Insanely Complex Diagram Help You Navigate a Subway System?

Tokyo made a guide to its labyrinthine underground network. But despite their good intentions, it may as well have been drawn by M.C. Escher.

How a Glob of Fat the Size of a School Bus Got Stuck in the London Sewers

Blame the wet wipes.

How Design Students See Gadgets Grappling With the Future of Urban Pollution

Breathing walls, noise-to-music converters, and more.

Why Walmart Still Hasn't Crushed the Regional Grocery Store

Brand loyalty still plays a big role even though supermarkets mostly sell all the same stuff.

Henning Larsen's Greatest Building Was Also His Greatest Failure

The architect, who died last month, spent the last years of his career carefully disowning the Copenhagen Opera House.

YOLO of the Day: The Yolobus

Next stop #yolo.

Hungry? Here's a Map of Every Urban Plant You Can Snack On

Cataloging the fruits, nuts, and herbs hidden in the sidewalk foliage.

Ambitious Crowdfunding Goal of the Day: $2 Million for the Cardboard Bicycle

This world-changing invention is more expensive than we remembered.

Suburbia in Sand: Choose Your Own Metaphor

An art installation on San Francisco's China Beach examines the tract home as a symbol for the American Dream.

Awesome Impromptu Soccer Field of the Day: One Made of Lasers

Here's one way to activate public space at night.

Fantasy Versions of New York, Continuously Scrambled

Multimedia artist Brian Foo's latest project explores how urban forms shapes our lives.