Christopher Null

This direct-to-consumer brand’s latest top-of-the-line devices work well but only showcase incremental improvements over previous models.

After months of testing, this high-end smart scale has made me rethink how much a bathroom weigh-in can tell me.

After years of testing repellents, traps, and sprays, I found a few ways to keep the bugs at bay—and plenty that aren’t worth the effort.

Thermacell LIV 2.0 is expensive and imperfect, but it outperforms nearly every mosquito-control method I’ve tried.

The Poolease X1 can collect leaves from the pool floor, but dirt, silt, walls, and steps are all beyond its pay grade.

Can electrifying your workout offer a shortcut to a stronger, fitter you? I sweated in a skintight EMS suit for two months to find out.