Tech

'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.

NASA Has Invented a Lightweight Machine That Can Detect a Human Heartbeat Under 30 Feet of Rubble

The FINDER could change the way we rescue people from natural disasters. 

How to Salvage a Capsized Cruise Ship

Inside the most expensive maritime wreck recovery ever.

How Supply Chain Data Can Affect Bike Lanes as Much as the Cost of Bread

MIT researchers are working on a potentially massive public-access database of metrics like retail density and delivery frequency.

Airbnb Sets Its Sights on the Chinese Tourism Boom

In Asia, a newly-prosperous middle class is traveling like never before. Can Airbnb catch on?

What's Worse Than an Oil Spill? A Molasses Spill

There is no way to clean it up.

Why Is There So Little Innovation in Water Infrastructure?

For one thing, consumers have no tolerance for risk. 

Videos

The Future of Personal Drone Navigation Is Here

For the particularly cartographically challenged.

Science Explains Why the Panda Hate Must Stop: Biofuel Researchers See Promise in Their Poop

The microbes in the guts of these gentle giants could make alternative fuel production so much easier.

Videos

Your Fridge Is Accelerating Climate Change, But it Doesn't Have To

Here's why, explained in 90 seconds.

How Are Those Cities of the Future Coming Along?

A brief update on PlanIT Valley, Masdar, Konza Techno City, and Songdo.

Why Firefighters Fear Solar Power

A 300,000 square foot warehouse burned down, and the local fire department says solar panels are partly to blame. 

Cars of the Future Could Run on Viscous 'Coffee Oil'

Researchers have extracted a substance from coffee grounds that they claim is cheaper and cleaner than diesel fuel.

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.

Maps

One Map, A World of Temperatures

Microclimates and macroclimates, blended together in a gorgeous app.

Mapping the 'Geography' of the Internet

The Internet isn't a place where everyone shouts at each other. It's a collection of lots of small places where people are chatting among themselves.

China's Newest Market Opportunity: Pollution Control

DIY entrepreneurs have developed ingenious—and affordable—products to satisfy the public's insatiable demand for pure air.

A Succinct History of 220 Years of U.S. Population Growth, in 52 Seconds

An animation of western expansion.