White socks become soiled and dingy if not cleaned and cared for correctly. By using hot water and the right whiteners, they can look better. Learn how to make dingy white socks look brand new again.

Technology developed in Donegal is helping to provide clean drinking water in Uganda and could be rolled out to other countries next year. Since 2019, researchers at the Atlantic Technological ...

Can you remove an O2 sensor with a standard wrench? Learn when you need a special socket, what's in a kit, and how thread chasers can save your DIY project.

Measuring blood oxygen levels on the Apple Watch has been a staple of its health monitoring experience since it arrived. Yet, an ongoing patent dispute in the US has complicated matters over the last ...

These expert tips make it easy to clean your faucet head so it looks brand new—and works better too! Whether in the kitchen or the bathroom (or anywhere else, really!), buildup on faucet heads can ...

If your printout has lines or blurry text, you need to clean your printer’s print head. Over time, the ink gets stuck on the print head, and if it does not, it remains unclear, resulting in improper ...

Apple just brought blood oxygen tracking back to millions of Apple Watch Series 9, Series 10 and Ultra 2 models, missing since early 2024, when Apple removed it. Here’s what’s happened, how the new ...

A team of scientists from Korea and Japan has discovered a new type of crystal that can "breathe"—releasing and absorbing oxygen repeatedly at relatively low temperatures. This unique ability could ...

If you’ve had your eye on a new Apple Watch Series 10, now’s the day to finally get one. Not only is it $100 off, starting at just $299 for the 42mm model, but the blood-oxygen sensor is finally ...