Geoengineering could cause more problems than the global warming it aims to stop
New designs and materials will make future skyscrapers sturdier, safer, and smarter.
We'll get a vaccine for addiction, debate the future of nuclear power, use new tech to take on water shortages, and-just maybe-find an extra dimension or two. Happy New Year
It's the ultimate nightmare: a nuclear attack in the U.S. masterminded by terrorists. Here's how that could happen-- and how we can prevent it
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
It's asteroid versus volcano.
Taylor Wilson always dreamed of creating a star. Now he's become one
India celebrates three years since its last recorded polio case today, marking an anniversary that could mean the disease is no longer endemic to Southeast Asia.
The 2004 Popsci Design Competition
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Scientists cast doubt over the Pentagon's plan to build a new nuclear bunker buster
In his lab far from the scene of a crime, Skip Palenik forges unbreakable chains of evidence from dust & detritus. Let's watch the master at work.
The gases help confirm it really was a nuclear test.
Who really stole the secret of the atom bomb? In this PopSci.com exclusive, the producer of the NOVA special tells us what it was like to be involved with this project.
The good news: Engineers have developed neat little robots that ride camels. The great news: Child jockeys are being phased out of the Middle East's racing industry. Launch Photo Gallery
Space-launched darts that strike like meteors
For over two centuries we have struggled to understand the scope of Afghanistan's mineral wealth. Now geologists, if they can determine what lies beneath the nation's ground, might also help bring stability to the surface
A new ice age, exploding stars, the hypothetical Doomsday Machine, and more scenarios that are almost certain to eradicate life on Earth
Edward Teller's life and work changed life itself.
How safe can a citizen expect to be in a post 9/11 city? What technology can a city use to make its citizens safe?
Rossi--a lone Italian inventor with no real credentials and a history as a convicted scam artist--has convinced a small army of researchers that his box can harness a new type of nuclear reaction. What if they're right?