You are taught early in science that oxygen on Earth comes from sunlight. Plants, algae, and cyanobacteria use light to split water and release oxygen, shaping the atmosphere and making complex life ...

Nearly 4,000 m beneath the Pacific, in water so dark that sunlight has never penetrated, scientists have stumbled on a new way that oxygen can appear where it should not exist. The finding, quickly ...

Sea foams are caused by algal blooms and can represent large areas in coastal waters during ocean fronts associated with ...

NASHVILLE, Tenn. -- Racial biases persist in the use of pulse oximetry devices for patients with acute hypoxemic respiratory failure (AHRF) requiring very high levels of oxygen support, a ...

Abstract: Dissolved Oxygen (DO) is an important water quality indicator, reflecting aquatic ecological health and influencing biological and biogeochemical cycles. Remote sensing of DO is exigent yet ...

A pulse oximeter measures blood oxygen levels at home and in healthcare settings. Abnormally low readings on a pulse oximeter might require medical care, especially if they are below 92%. Skin color ...

Thailand is preparing for new elections early next year after Prime Minister Anutin Charnvirakul dissolved the House of Representatives BANGKOK -- Thailand’s Parliament was dissolved Friday for new ...

Thailand has dissolved parliament after nearly a week of fresh clashes along its border with Cambodia, with a general election to be called within 45 to 60 days. In a royal decree published on Friday, ...

The Chesapeake Bay’s 2025 summer dead zone measured near long-term average levels, according to a new report released last week by scientists from the Virginia Institute of Marine Science and the ...

Abstract: We report a biodegradable, self-powered sensor for measurement of dissolved oxygen in the body. The principle of operation is the competition of an oxygen reduction reaction against the ...