South Korean government sites are also struck. Was North Korea to blame?
During a week of attempting to cloak every aspect of daily life, our correspondent found that in an information age, leaving no trace is nearly impossible
How ideas from biology-evolution, immune systems and forensics-will keep your PC safe from hackers
This is not the first time China's been called out for a cyber-security breach
We're all familiar with images of lurching robots performing rote tasks on the factory production lines. But the capabilities of robots have evolved well beyond the banality of those grainy industrial films.
High-tech security isn't just for the airport anymore. Advances now coming out of the labs will help protect what's dear to you, from your car to your kids, your dinner to your dinero
Out of the wild
Until we figure out how to lock up the spammers, ditching Outlook can protect you from the worst they have to send
To maintain accuracy and realism, producers of the film sought out military and government officials to advise them.
The web is crawling with jokes, hoaxes and more insidious fakes. Digital-image experts aim to develop foolproof detection tools, but until then, seeing is not believing
Sometimes our biggest fear is not knowing what to fear most. Fortunately, the weird science of risk analysis can teach us to judge better and fear smarter
By turning its crime problem into a data problem, Santa Cruz is reinventing police work for the 21st century
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
But they would be so cool
America is haunted by 100,000 missing persons and 40,000 unidentified sets of remains. Only one lab can truly connect the lost and the dead—and it's revealing the secrets of serial killers in the process
Move aside, frat boys
By hacking into (fake) elections
In the escalating arms race between battery power and consumption, The Cells are losing to The Gadgetsâ€”Big time. Question is, can the chemists catch up to the engineers?
A new pair of specs may let you tag your world as easily as you tag a blog post--so long missing keys
The Osama tapes highlight a technical challenge: verifying the voice of the enemy.
What makes investors do the wrong thing, all together, pretty much all the time?
Blood flies, and leaves a tale. But it takes an expert like Paulette Sutton to sort truth from fiction in spatter language.
Obesity is booming, yet there are only two medications approved for long-term weight loss. Why is it so hard to make a diet pill that works? For one thing, evolution hates diets
A 21st century electric-car revival is under way. But the first challenge—building a cheap, safe, powerful battery—is the hardest
Depending on who you ask, these long-ignored, widely-scattered elements are either a dealbreaker or no problem at all
Could your social networks brand you an enemy of the state?
Given evolution's trajectory, we will almost certainly transform into augmented versions of our current selves. The big question now is, can we survive long enough to become the next humans?
How Thomson Reuters analyst David Pendlebury makes impressively accurate predictions of who will win.
A gorgeous visualization of a scary problem.
A forensic chemist at a Massachusetts crime lab was arrested for tampering with drug evidence recently. A bad egg or the product of perverse incentives?
Historians haven't seen scientists this politically engaged since 1964
In the age of ballot-box stuffing, the mechanical voting machine promised indisputably accurate election tallies. Sound familiar?
New systems will use your cell phone to tell if your food is fresh
We spoke to candidates with science backgrounds from across the political spectrum
Surprise! TV Gets the Math Right
Next-generation search engine tech aims to understand natural written language
Putting Cinematic Science to the Test
Because "curing a disease should be worth more than a touchdown."
Updated hourly, for your convenience
Plus the most beautiful image of Earth, New York City on Venus, and the world's largest (deflated) rubber duck.
The answers to the most nagging, fascinating, and bizarre questions of the summer movie season.
What Chelsea Manning's gender dysphoria reveals about the limits of psychiatric diagnoses
Farms are in a "smog panic" as plants falter without sunlight
A scientist stationed in Antarctica tells about the biggest scientific discovery of the year, and how to have fun at the Pole.
Now that a tax incentive for wind has expired, the energy source faces an uncertain future
After a summer of biohazards, policymakers ask scientists to search their freezers
It's a well-oiled machine.
Stuxnet gives hackers a blueprint for sophisticated new malware
We could live here, if only there was 3G
A Japanese invention allows you to send smells via phone. Sort of.
Help scientists by pretending to be a mongoose.
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?
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.
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
9/11 fanned fears of more terror attacks by air. But our 95,000 miles of coast may be much more permeable. Here's the new defense strategy.
Toxin sniffers, missile jammers, dirty-bomb detectors: Will a new security arsenal make us safer?
As the U.S. campaigns against terrorism, new technologies will move to the front lines.
Drug lords, millionaire wannabes and the North Korean government have perfected methods for knocking off our most valuable greenback. Now the scientists in charge of making the real dough are fighting back with an unfakeable (for now) $100 bill
What a national ID card might look like.
It's 3 AM, that phone is ringing; will their records back their claims?
In our all-digital economy, only the computer knows
Whatâ€™s the most accurate way to forecast the future? Simple: make predictions profitableâ€”just like on the PopSci Predictions Exchange
New designs and materials will make future skyscrapers sturdier, safer, and smarter.
A new reason to keep looking over your shoulder
More than 50 of the most dangerous, disgusting, humiliating and just plain bad professions
Scientists develop new motion sensor that enables window panes and glass doors to detect movements via a special coating
A former spy's excruciating death by radiation poisoning marks the beginning of an era of high-tech hit men who can kill from anywhere
Is some research so dangerous it shouldn't be done at all?
How do you secure an event like a big-city marathon?
Popular Science is inside the U.N., where 150 heads of state are talking global warming. Will they put momentum behind an international treaty in 2015?
Can science make us more secure? We put this query to a few thoughtful people.
A 3-D holographic body scanner uses ultrahigh-frequency radiowaves to illuminate non-metal weapons concealed beneath clothing.
Tollbooths, ATMs, doctors' offices, online chat: You leave critical personal data behind wherever you go. Let's follow one American as he scatters his digital DNA.
Our annual bottom-10 list, in which we salute the men and women who do what no salary can adequately reward
Dogs are the best bomb detectors we have. Can scientists do better?
At a secretive government facility, one inventor is given free rein.
An offshore screening system will put a 14-mile buffer zone between ports and deadly cargo
As corn supplies dry up, green stuff from the sea could feed livestock
As the Summer nears, reports surface of multiple security sweeps for radioactive material at Olympic sites
Around the world, scientists are risking their lives to retrieve seeds destined for a massive vault near the North Pole. Their work just might save mankind
Thanks to a joint investigation from academics and the Department of Homeland Security, the culprit in the Case of the Honeybee Killer has been found.
Arun Majumdar has to decide which researchers will get millions of dollars, and he has to do it fast. He must spark an energy revolution within 20 years, or it's lights out for us all.
Learning to stop bombmakers--even before an explosion goes off
Researchers have shown how to teach a password subconsciously, then pluck it back out.