An international research team led by RMIT University has created tiny particles, known as nanodots, made from a metallic ...

Scientists have long noted with interest that in one of nature's crucial chemical reactions—the oxygen evolution reaction—it ...

Scattered across an abyssal plain known as the Clarion-Clipperton Zone (CCZ) are polymetallic nodules that are a potato-sized prize for mining companies in search of materials needed for humanity's ...

A pulse oximeter is a device that clips on your finger, toe, or earlobe to measure blood oxygen saturation. Here's how it works and how to read it.

Apple has just announced that a key health feature, missing from some Apple Watches for more than 18 months, is back. The blood oxygen monitoring feature on Apple Watch Series 9, Series 10 and Apple ...

The smartwatch's Blood Oxygen app lets you measure the oxygen level of your blood on-demand. It's been MIA for more than a ...

Blood Oxygen is back for affected Apple Watch models. Will be reinstated with the latest iOS and WatchOS updates. Apple redesigned it to resolve an import ban over patent infringement. Get more ...