A group of scientists will later this year deploy deep-sea landers to test whether metallic rocks on the ocean floor do in fact produce oxygen. The claim, made in 2024 by British marine ecologist ...

One of the most important measurements we make while tuning an engine is finding out what the actual balance of air and fuel was inside the engine. It doesn’t matter if we have a carburetor, port ...

We may receive a commission on purchases made from links. While it may seem intimidating at first, there are plenty of easy DIY auto maintenance projects that even the most novice DIY-er can handle.

Toyota is in a bit of a pickle. Its hybrid fleet helps with emissions, but it's the plug-in hybrids that really make a difference. Fortunately, Toyota makes excellent ones. In this Toyota RAV4 PHEV ...

The Gen III TacIRST distributed infrared threat‑warning system will equip the F-22 Raptor, with an evaluation planned in 2026. Lockheed Martin has announced the first flight of the latest iteration of ...

Odds are you probably know someone with a newer Toyota RAV4—a neighbor, co-worker, or friend. Makes sense; the fifth-generation model has been trading off with the Tesla Model Y as the bestselling car ...

Flu season is fast approaching in the northern hemisphere. And a taste-based influenza test could someday have you swapping nasal swabs for chewing gum. A new molecular sensor has been designed to ...

The 2025 Toyota bZ4X delivers a bold, modern take on electric mobility, offering eco-conscious buyers a versatile SUV packed with standard technology features. Donald Trump’s negative approval rating ...

For heart rate testing, Horst used a Polar H10 chest strap as the benchmark. The Apple Watch Ultra 2, running watchOS 26 beta, delivered results that were nearly identical to the strap during indoor ...

OnePlus was among the first brands to release Android 16 beta in March. That was a pretty early build, offering a sneak peek into what’s new in the latest OS — but without any changes to the OxygenOS ...

In a surprise Thursday announcement, Apple says that it is bringing the blood oxygen sensor feature back to the Apple Watch Series 9 and newer. The returning feature will be part of an iOS 18.6.1 and ...

If you have an Apple Watch Series 9, 10, or Ultra Watch 2 that you bought in the US in the past year, you'll finally get the blood oxygen sensing feature back via a software update later today, ...