Smartphones all look the same, smartwatches have become predictable, and even wireless earbuds have settled into a familiar ...

I tested two high-tech cooling devices, the Embr Wave 2 and Shark ChillPill, to see which one can keep me cool during a heat wave—and which is worth the buy. Here's my verdict.

A new class of microscopic machines is moving from theory into reality, and it could change how diseases are treated and how ...