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
Last July, 9-year-old Alex Everett received his first shot of synthetic human growth hormone--an injection he will get every night for eight years. Alex is not sick--he is short. Should we be treating stature as a medical condition?
Our ancient quest to create androids is about to destroy the boundary between humans and machines. Futurist, author and inventor Ray Kurzweil explains how
New systems will use your cell phone to tell if your food is fresh
Pioneering surgeons have made it possible to transplant a human uterus that can bear children, offering hope to millions of women who never thought they could give birth.
How ideas from biology-evolution, immune systems and forensics-will keep your PC safe from hackers
Ten of the brightest minds in science fiction imagine how we will live—on Earth and beyond—in the decades and centuries to come.
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
Are nuclear disasters the new normal?
The first fitness tracker that could actually help you get in shape, thanks to a goals system that works with your life and sensors that actually track your fitness.
People who use hand sanitizers every five minutes, and other annoyances
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.
A man-made, pure-white compound called Oxycyte carries oxygen 50 times as effectively as our own blood. Researchers are betting that itâ€™s the best way to treat Americaâ€™s leading cause of accidental death: traumatic brain injury
This 10,000-rpm, no-pulse artificial heart doesn't resemble an organic heart--and might be all the better for it
Last May, a massive tornado leveled Joplin, Missouri. Was it chance, or a warning of things to come?
An open letter from PopSci to President Obama about science and the future
Patients who learned weight maintenance techniques through the game "Second Life" were more likely to keep the weight off.
Futurist Ray Kurzweil explains how the boundary between man and machine is quickly disappearing. PLUS: A gallery of today's most mind-blowing 'bots