Fitbit Charge Finally Arrives, Charge HR and Surge Land in 2015

The worst-kept gadget secret in recent history is no longer secret at all. The new Fitbit Charge, Charge HR, and Surge fitness trackers are official. Here's everything you need to know. » 10/27/14 9:00am 10/27/14 9:00am

How Cities Sleep, Visualized

People in Melbourne get the most, those in Tokyo the least. No, get your mind out of the gutter: we're talking about sleep here, and how much of it the inhabitants of certain cities manage to actually get. » 8/18/14 7:43am 8/18/14 7:43am

How Much Physical Activity Do You Really Need?

Physical activity has recently come to be seen as one of the best forms of medicine available. Studies have shown that simply getting on your feet can ward off all manner of ill health, from cancers to cardiovascular diseases. But how much do you need to do to reap the benefits? » 6/12/14 7:40am 6/12/14 7:40am

Scientists create system that shows your brain activity in 3D

University of California researchers have created a system that shows how the brain works in real time, allowing users to navigate right inside their own heads and see their neuronal activity firing in three dimensions, showing "real-time source-localized activity from electroencephalographic signals." » 3/14/14 11:27pm 3/14/14 11:27pm

Moov Might Be the Most Advanced Fitness Wearable Yet

As you may have noticed, there are a million activity trackers out there right now. Most of them are glorified pedometers. The upper tier add altimeters, heart rate monitors, and sleep-tracking to the equation. But what if you don't just want to be reminded to work out—you want to work out better, safer, and more… » 2/27/14 12:00pm 2/27/14 12:00pm

Polar Loop Activity Tracker Review: A Circle Behind the Curve

Everybody and their mother has brought an activity tracker to market in the last year, but it actually makes sense that Polar—a company with a long history making heart rate monitors—would get into the game. Unfortunately, their first stab at a fitness monitor feels more like a first-draft. » 12/04/13 4:00pm 12/04/13 4:00pm