A state-by-state breakdown of policies that could change your community.
Bill Faloon has pursued immortality for decades. Now he's got lots of company. What does science have to say?
“I'd like a Category 4 cyclone with a side of storm surge, to stay, please”
Air: It's one of the world's most important, least understood, and possibly life-saving substances
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?
Randal Koene is recruiting top neuroscientists to help him make humans live forever
Mike Biddle could free the world from having to make new plastic. Forever.
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?
How better weather forecasts predict a more efficient future
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
The world's most prestigious universities have begun posting entire curricula on the Web—for free. Is there such a thing as a free higher-education lunch? I enrolled to find out
Residents of one of the Internet's most populous virtual worlds shop, attend class-even run businesses. Soon you may do the same.
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?
We wish these were April Fools pranks.
Humans can predict the future when we have some evidence--like clouds and the smell of rain hinting at a storm. But can we anticipate future events without sensory clues?
Societies forget, and this physicist wants to know why.
You can't watch everything, so let an analysis of physics data guide you to this summer's most competitive events
New nominations for energy secretary and EPA head will probably face uphill battles in the Senate.
Where you see sun, sand, and surf, Stephen Leatherman sees a dying patient.
A scientist with a swab and a microscope could tell what school you went to