Ricin is one of the most poisonous substances on Earth and it's scarily easy to make.
Examining 8 promising methods of male contraception in development. Happy Father's Day!
The next big breakthrough in synthetic biology just might come from an amateur scientist
Using nature as a guide, geneticists build plants with qualities evolution could never produce
Understanding how the brain perceives the passage of time could lead to treatments for mental illnesses. Why does time seem to slow down during a life-threatening situation? Our reporter falls 15 stories to find out
Your cellphone does not in itself cause cancer. But in the daily sea of radiation we all travel, there may be subtler dangers at work, and science is only just beginning to understand how they can come to affect people like Per Segerbäck so intensely
PopSci's vision for making travel faster, greener, and more fun
Or at least keep your teeth cavity-free. A growing chorus of medical researchers say our bacteria-killing zealotry is misguided. Instead of fighting bugs, they argue, we should train them to do our bidding and then set them loose in our bodies. The trouble is keeping them there
If fear really is all in our heads, Joseph LeDoux thinks he can eliminate it. The first step is to block out our memories
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.
Microbes that eat and breathe electricity have forced scientists to reimagine how life works—on this planet and others
Our brains are wired to build walls, but we do our best work when we knock them down.
'Tis the season for conception.
Air: It's one of the world's most important, least understood, and possibly life-saving substances
There's a lot of information out there and not all of it is good.
Stories from the coolest day jobs in the world.
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.
As the U.S. campaigns against terrorism, new technologies will move to the front lines.
Launch the gallery below, and enjoy our favorite pictures of the year, all in one place
Are nuclear disasters the new normal?
With the release of the DSM-5 this month, psychotherapist Gary Greenberg questions whether psychiatry's diagnostic Bible can truly get at the nature of mental suffering.
In this piece from 1921, PopSci subjects the Sultan of Swat to a battery of scientific tests hoping to discover the secret behind his superhuman swing
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature