In a hot spring at Yellowstone National Park, a microbe does something that life shouldn’t be able to do: It breathes oxygen ...

This paper presents a study on identifying sleep apnoea using the photoplethysmography (PPG) measurements, which is obtained from the SpO2 sensor. Using a database of polysomnogram (PSG) records of 52 ...

NASA discovers link between Earth’s core and life-sustaining oxygen Date: June 27, 2025 Source: NASA/Goddard Space Flight Center Summary: For over half a billion years, Earth’s magnetic field ...