As the "quantified self" craze continues, fitness trackers have us obsessing over not only how active we are but also how soundly we're sleeping. How do the devices stack up against clinical sleep studies though? CNET's Sumi Das visits the Stanford Sleep Center for an expert's opinion.
A waterproof design, one-year of battery life, and an affordable price. Is this the activity tracker to beat?
Several fitness trackers, as well as the Samsung Galaxy S5, now boast the ability to measure your heart rate. How do their readings stack up to an EKG? CNET's Sharon Profis, with help from Kaiser Permanente cardiologist Dr. Jon Zaroff, puts the Garmin VivoFit, Withings Pulse O2, Basis Carbon Steel, Samsung Gear Fit, and Samsung Galaxy S5 to the test.
An accessory for iPhones, the Breathometer is very portable and can be fun to pass around at parties, but its results should not be taken as permission to drive.
An experimental clock has set the records for both accuracy and stability, being able to keep time for longer than the Earth has been in existence.
The new Zvox Soundbase.770 is a smart alternative to skinny sound bars, says the Audiophiliac.
Google's annual Flu Trends metric was wildly off last year. But scientists were able to leverage the company's data to design a far more successful system.
The Next Glass app claims to have isolated the tastes of alcoholic beverages and will tell you how much you'll like them -- or not.
The International Space Station has received its 3D printer, installed in its Microgravity Science Glovebox to move towards self sufficiency.
The setting is a bit buried in System Preferences, but there is a way to reduce or remove Yosemite's translucence.