What Is VO2max?

What Is VO2max?

The more you work out, the fitter you'll get. Your VO2max, sometimes described on wearables as a "cardio fitness" score, is a number that tends to be higher among people who are more cardiovascularly...

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Why I Won't Be Getting an AI Home Gym

Why I Won't Be Getting an AI Home Gym

I've been getting relentless Instagram ads for AI-powered home gyms lately. You've probably seen them, too—sleek wall-mounted screens with impossibly toned instructors, testimonials promising "the...

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You Can Now Customize ChatGPT’s ‘Personality’ to Suit Your Tastes Even More

You Can Now Customize ChatGPT’s ‘Personality’ to Suit Your Tastes Even More

When Spike Jonze's movie Her dropped back in 2013, I thought it was a great work of total fiction. Who would actually befriend an AI bot, let alone fall in love with them? Fast forward 12 years, and...

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This Wallet-Sized E-Reader Is My Tech 'Upgrade of the Year'

This Wallet-Sized E-Reader Is My Tech 'Upgrade of the Year'

We may earn a commission from links on this page.One of the often unspoken truths of being a tech reviewer is you get to test out, recommend—and sometimes even keep!—gadgets that you would never buy...

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The Best (and Worst) Fitness Devices I Tested in 2025

The Best (and Worst) Fitness Devices I Tested in 2025

We may earn a commission from links on this page.2025 was a fun year to review fitness devices. We saw three companies introduce devices that could have been Whoop killers, and one definitely came...

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How Useful Are Ankle Weights, Really?

How Useful Are Ankle Weights, Really?

We may earn a commission from links on this page.Ankle weights seem to have tunneled through a wormhole from the 1980s to the present moment, appearing in countless TikToks and Instagram posts. Do...

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