New systems will use your cell phone to tell if your food is fresh
Spoiler: It still includes long walks on the beach
The app's creators think of it as "lockout insurance."
How personal trackers will change health care.
What a power trip!
Help your friend learn about global warming with gifts that will almost certainly tick him off.
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.
Wireless sensors could warn city planners when garbage cans are missing or broken, which often precedes rat outbreaks.
Influenza viruses kill up to 646,000 people worldwide every year.
Cappos hopes to use his system to surf the web from the International Space Station.
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
There's still talk of revolution on campuses. But the 21st-century student has something very different from anarchy on the mind--think hydrogen cars and homes on the moon
Here's looking at you.
Using in-car monitoring apps to keep an eye on things like blood sugar
One full week of keeping track of absolutely everything, to see if gamification can net you a win in the game of life