Researchers headed by a team at Massachusetts General Hospital have, for the first time, shown that reduced oxygen intake, or “oxygen restriction,” is associated with longer lifespan, and reduced ...

A number of hypotheses have been used to explain how free oxygen first accumulated in Earth’s atmosphere some 2.4 billion years ago, but a full understanding has proven elusive. Now a new model offers ...

Earth was mostly devoid of oxygen for much of its 4.5 billion year lifetime. That is, until certain processes started to ...

Michigan Tech researchers have developed a singlet oxygen model to calculate how particular chemicals break down in surface water. In addition to providing vitamin D, helping flowers grow and creating ...