A good performance requires great dirt.
Arsenic and old manuscripts.
They're windows into the heart of the Earth.
Stories from the coolest day jobs in the world.
He just needs to get it to them
Mike Biddle could free the world from having to make new plastic. Forever.
Why would a petro-state erect a solar-powered eco-metropolis in the middle of the Arabian desert? To change the world.
The National Mall was transformed into a futuristic commune for the past two weeks as 20 teams from four countries erected solar-powered homes
Welcome to the wonderful world of compost toilet tech
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
Which industries do the most damage to the environment?
Joseph Longo's Plasma Converter turns our most vile and toxic trash into clean energyâ€”and promises to make a relic of the landfill
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
PopSci's vision for making travel faster, greener, and more fun
On the 40th anniversary of Earth Day, we take a look back at where it all began
The planet has limited resources of several important elements, many of which can do what no other element can. Here's what's left of the periodic table, and what would happen if we run out
Jellyfish invasions, Internet auctions, god particles: Read about the year's biggest science stories before they happen. Bonus: How to decipher geeky jargon and when to buy a DeLorean
As I was soaked with rain, I started to rethink my design
From auction houses to eBay, this is how people buy up Nobel Prizes and space rocks.
It would be easy to dismiss Mitchell Joachim's fantastical vision for ecological supercities, with their flocks of jetpacks and mass-transit blimps that look like flying monster jellyfish, as science fiction—if he wasn't actually building them