A state-by-state breakdown of policies that could change your community.
The app's creators think of it as "lockout insurance."
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.
One full week of keeping track of absolutely everything, to see if gamification can net you a win in the game of life
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
Whatever did happen to yesterday's beloved technologies of tomorrow?
But the jury's still out, overall, whether paying doctors by their performance works.
Having someone come clean your bathroom? $40. Having more time? Priceless.
PopSci tackles life's whys, hows and who-dunnits in this Q&A-style; feature
How 140 scientists look inside the world's most dangerous weather
Buying and selling organs is illegal, but one Canadian researcher thinks a financial incentive for organ donors is the way to save lives.
A response from Michael Halpern, Program Manager of the Union of Concerned Scientists' Center for Science and Democracy
NeuroSpire, with Jake Stauch at the helm, has developed software that lets companies scan brains to deliver better ads--and do it on the cheap.
We don't need a government! We just need all the things the government normally pays for!
Ten of the brightest minds in science fiction imagine how we will live—on Earth and beyond—in the decades and centuries to come.
Want to pay $10 for your flight and $15 for your pillow? Bill Diffenderffer has the airline for you
Odd jobs: The video poker king
Or, how the Grouse learned to quit blocking ads and embrace the new world order
Bill Andrews has spent two decades unlocking the molecular mechanisms of aging. His mission: to extend the human life span to 150 years--or die trying
You wouldn't put out a call for plumbers to redo your bathrooms, and only pay one of them, would you?
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