These Hi-Fi Speakers Are Made out of Rocket Fuel Tanks

Momentum for space development is growing on a global scale. The rocket company SpaceX, led by CEO Elon Musk, has been carrying out numerous missions since putting its partially reusable Falcon 9 rocket into service. The company now boasts the highest launch frequency in the world, and this has helped boost the number of rocket…

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These Newly Discovered Cells Breathe in Two Ways

The team members went through a process of incrementally determining what elements and molecules the bacterial strain could grow on. They already knew it could use oxygen, so they tested other combinations in the lab. When oxygen was absent, RSW1 could process hydrogen gas and elemental sulfur—chemicals it would find spewing from a volcanic vent—and…

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6 Best Electric Ranges of 2025, Tested and Reviewed

While sleek styling and a dazzling array of features might impress, what’s most important is a range’s ability to perform some very basic tasks really, really well, day in and day out. And that’s what we zero in on when we’re choosing the best electric ranges. Here’s what our recommended ranges have in common: They…

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Best Side-by-Side Refrigerators of 2025, Lab-Tested and Reviewed

We rate refrigerators based on their thermostat performance, temperature uniformity, noise output, ease of use, energy efficiency, crisper performance, and icemaker performance (if they have one).  Every refrigerator we test gets wired with 15 temperature sensors. We then monitor those thermocouples for more than a month in one of three temperature-controlled chambers, collecting more than…

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Best Built-In Refrigerators of 2025

Built-in refrigerators are designed to blend in. They sit completely flush with kitchen cabinets and, while they’re available with the ever-popular stainless steel finish, they allow you to install custom paneling to match your cabinetry. Taken together, those two traits provide a chameleon effect that may fool unsuspecting visitors.  Freestanding refrigerators are just that: They…

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9 Tips About Pumping I Wish I Had Known

Most breastfed newborns will eat every 2 to 4 hours, on average, and some will want to nurse as often as every 1 to 3 hours in those first few days. That doesn’t mean that more is always better when it comes to pumping. Maya Bunik, American Academy of Pediatrics breastfeeding section chair and professor…

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