From auction houses to eBay, this is how people buy up Nobel Prizes and space rocks.
Internal and external pressure drive a rush toward prestige.
Stories from the coolest day jobs in the world.
Air: It's one of the world's most important, least understood, and possibly life-saving substances
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.
Another "green" brick, this time made like sausage
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
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
The National Mall was transformed into a futuristic commune for the past two weeks as 20 teams from four countries erected solar-powered homes
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
To rescue the Earth, we need bold engineering ideas that go beyond simple recycling
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
Forget lab coats and beakers: in this gallery of breathtaking images, we celebrate the visually pleasing side of scientific enquiry
Joseph Longo's Plasma Converter turns our most vile and toxic trash into clean energyâ€”and promises to make a relic of the landfill
Within 10 years, infantry soldiers will go into battle with autonomous robots close behind them. One day, they'll be fighting side-by-side
Chemical burns, ruined clothes, 11 years, half a million dollars-it's not easy to improve the world's most popular toy. Yet the success of one inventor's quest to dye a simple soap bubble may change the way the world uses color
A researcher is building a tool that will help police locate a body earlier -- and possibly tell when the victim died.
Players love the tech, but pro and amateur organizations can hardly keep up with the new materials and radical designs that have rewired and sometimes hot-wired sports.
New designs and materials will make future skyscrapers sturdier, safer, and smarter.
Corporate responsibility looms large at this year's show, but protesters insist more companies need more proactive electronics recycling policies
More scientists need to recycle this noble gas.
On the 40th anniversary of Earth Day, we take a look back at where it all began
The pressure to green-up the Olympics builds with each games, forcing the host cities to get creative. Like using beetle-chewed wood for your skating center's roof
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
An astronaut's view of the Pacific Ocean
PopSci's vision for making travel faster, greener, and more fun
Energy officials argue for a new breed of reactors that run on recycled radioactive fuel
See how PopSci staffers are staying green this Earth Day, and get the science behind the scenes
A component of your LCD screen could have medicinal uses
How to make one of our most ubiquitous gadgetsâ€”every part of itâ€”environmentally sound.
Looking for a source of rare earths? Try your stash of old cellphones
Climate change will drive people to urban areas, and smarter cities will be needed to shelter them
Minneapolis ranked first among U.S. cities in innovative transportation solutions, fourth in energy technology.
One full week of keeping track of absolutely everything, to see if gamification can net you a win in the game of life
Our editors scrounged up some truly bizarre facts.
Welcome to the wonderful world of compost toilet tech
They're windows into the heart of the Earth.
The change between 2011 and 2018 is stark.
Jeffrey Martin's closed-loop plan for recycling heat-trapping carbon emissions into gasoline
By providing its citizens with a steady stream of personalized, real-time data, the ninth-largest city in Iowa is changing the world
Which industries do the most damage to the environment?
The legendary urban planning game has a lot to say about the way our societies affect the environment. And the newest edition says one thing in particular.
Fighting the good fight
You don't even have to try. The things you do as a matter of course can have grievous ecological effects
It's never too early to start planning your Fossil Fools Day party!
Geologists are analyzing ancient clues to tell our origin story.
Researchers are uncovering some pretty strange culprits behind the obesity epidemic—everything from air-conditioning to infectious love handles
"Transient electronics" could deliver drugs, monitor buildings and more. Could they be an eco-friendly solution for obsolescent tech?
Re-framing environmental rhetoric so it appeals to conservatives can really work, a study finds.
Any face. Even on a trash can.
Bill Faloon has pursued immortality for decades. Now he's got lots of company. What does science have to say?
Möbius strips still fascinate mathematicians.
A good performance requires great dirt.
Seven battery survival strategies to get you by.
Energy: Some say it's too big a job, but scientists would sure like to try.
In the global race to reduce carbon emissions, these eco-minded communities, from Kansas to the Maldives, lead the pack. Here's how they're making their carbon footprints disappear
The most dangerous pollutant might not even be known yet.
Calling all teachers and students!
Awesome! Now what?
One couple refused to stop until they found the cause of their son's ultra-rare disorder.
Findings could lead to better batteries
New electronic voting machines are supposed to prevent another Election Day disaster, but these paperless PCs could make hanging chads seem like a minor nuisance.
Its creations earn patents, outperform humans, and will soon fly to space. All it needs now is a few worthy challenges
A peek behind the curtain of the voting machine
Turning trash into a lifesaver
Futurist Ray Kurzweil explains how the boundary between man and machine is quickly disappearing. PLUS: A gallery of today's most mind-blowing 'bots
Dogs are the best bomb detectors we have. Can scientists do better?
No one taught AI the rule about never reading the comment section
The creator of the Segway is one of the most successful and admired inventors in the world. He leads a team of 300 scientists and engineers devoted to making things that better mankind. But he's not done
Our ancient quest to create androids is about to destroy the boundary between humans and machines. Futurist, author and inventor Ray Kurzweil explains how
It all starts with a single ball -- and, of course, a lot of potential energy
All DARPA's Paul Cohen needs to do is get past the problem of people
The country only recently pardoned him for criminal charges of homosexuality, for which he was chemically castrated.
To an insect, air is as thick as oil. Michael Dickinson pursues the sticky question of how these creatures maneuver so flawlessly. The answers could spawn tiny new flying machines.
Such membranes have potential for water desalinatization and other advanced filtering.
Oversimplified competitions encourage computer programs that are snarky rather than intelligent--but it doesn't have to be that way.
The holidays are over and the weather outside is still frightful. May as well make use of it.
E-voting may already be a thing of the past, but here's what led up to it
Can't we assume that if time travel was ever going to happen we would have already heard?
A bold new theory predicts that time travel may be more plausible than previously thought
When David Hanson set out to build a robotic head, he saw no reason not to make it look just like a human. Then he stumbled into the Uncanny Valley.
It dispenses one, ten and 250-gram bars, and it's built like a tank