A study analyzing these modules reveals that these rocky lumps are capable of producing “dark oxygen” 4,000 meters below sea level where light cannot reach.
Oxygen began entering Earth's oceans around 2.32 billion years ago, and shallow seas followed within a few million years.
For roughly 2 billion years of Earth's early history, the atmosphere contained no oxygen, the essential ingredient required for complex life. Oxygen began building up during the period known as the ...
Oxygen detected just 300 million years after the Big Bang has caused viral claims that cosmology is wrong. But does this ...
They observe for the first time the movement of oxygen atoms in liquid water, revealing life forms and effects for plasma technologies.
Modern Engineering Marvels on MSN

Earth’s oxygen-rich era is 82% over, models reveal

Could the clock already be ticking on the habitable environment of planet Earth? New models of the Earth’s climate and the life cycles of stars place planet Earth far short of the maximum point of the ...
An article published this week in The Lancet medical journal found that more than half of the world’s population lacks access to safe and affordable medical oxygen services, and most people outside of ...
Oxygen saturation is a measure of the amount of hemoglobin that is bound to molecular oxygen at a given time point. It is an important parameter for managing patients in a clinical setup. Oxygen ...