Tech journalism comes with a list of perks. Hot pop-star girlfriends, sacks of cash, Hertfordshire mansions -- none of these are on that list. But I do get plenty of free tech, much of which tends to ...

This surprisingly simple walking test is becoming a go-to tool for measuring real cardiovascular fitness—no gym, no gadgets, ...

A viral video questions the safety of face masks by using a gas detector to purportedly show that masks result in dangerous oxygen levels for the wearer. But experts — and the company that makes the ...

Since it entered the consumer drone market, DJI has been consistently the brand to beat—so much so, in fact, that many of its competitors just gave up, focusing instead on toy-grade quadcopters or ...

Oxygen saturation is a measure of the amount of hemoglobin that is bound to molecular oxygen at a given time point. It is an important parameter for managing patients in a clinical setup. Oxygen ...