Best Treadmills of 2025

CR’s tests focus on ease of use, the quality of construction (including design, noise, feel, and durability), ergonomics (how well the machine accommodates different users), exercise range, and user safety. For exercise range, we assess whether a machine is suitable for a variety of fitness levels. Our tests factor in the range of treadmill speeds,…

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AI Agents Are Terrible Freelance Workers

Even the best artificial intelligence agents are fairly hopeless at online freelance work, according to an experiment that challenges the idea of AI replacing office workers en masse. The Remote Labor Index, a new benchmark developed by researchers at data annotation company Scale AI and the Center for AI Safety (CAIS), a nonprofit, measures the…

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Quietest Vacuums of 2025

In our lab, CR’s engineers put vacuum cleaners through a set of tough tests to evaluate how well a model picks up dirt, how much debris it retains, how easy it is to maneuver, and how noisy it is.  We embed sand and pet hair into carpets to see how effective the appliance is at…

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13 Best Matching Washer and Dryer Sets of 2025

Compatibility can include the option to stack a pair of machines using a special hardware kit. It could also mean machines sync up with each other to optimize performance. “Pairs come in a variety of styles,” says Allie Chilicki, a CR market analyst. “Most pairs have similar cycles, so if the washer has a casual…

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How to Minimize Mold in Your Washing Machine

First, we tested the Whirlpool WFW5720RR for performance and found the washer to be excellent at cleaning clothes. After we removed the load, we monitored the humidity inside the drum. We then ran the Dry Drum cycle (which runs a fan and periodically tumbles the drum for four hours) and recorded the humidity again. After…

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