Nature of electromagnetic radiation, photoelectric effect; Spectrum of the hydrogen atom. Bohr model of a hydrogen atom ... and those containing halogens, oxygen, nitrogen, and sulphur; Homologous ...

Ubiquinone, a metabolite critical to generating energy in cells, has long been thought to be the only mitochondrial electron transport chain carrier in mammals. Although other electron transporters ...

OpenAI has released its latest artificial intelligence model, which it said is capable of "thinking with images," meaning it can understand and analyze a user's sketches and diagrams, even if they ...

A newly developed process helps solve this problem: CO2 is directly split electrochemically into carbon and oxygen. Oxygen could also be produced in this way under water or in space -- without ...

The researchers used a machine-learning model, along with existing measurements of lake oxygen, to assess changes from 2003 to 2023 in more than 15,000 lakes around the world. Eighty-three per ...

Single-atom catalysts (SACs), with their excellent metal atom utilization and unique physicochemical properties, hold promise for broad applications, especially in heterogeneous catalysis and energy ...

VO₂ max refers to the maximum amount of oxygen your body can absorb and use during exercise. It measures your aerobic fitness levels. If you’re looking to improve your aerobic fitness ...

Earth's lakes are experiencing an alarming drop in oxygen levels, new research shows. Similar trends have also been observed across rivers and seas. But some lakes are losing oxygen up to nine times ...