Ever wondered what sets apart that spinning class that leaves you breathless from that weightlifting session that makes you ...

Scientists assumed most forms of life before the Great Oxidation Event didn't metabolize oxygen—but recent research suggests ...

Microbial organisms dominate life on Earth, but tracing their early history and evolution is difficult because they rarely ...

So why do so many life-forms breathe oxygen? There are probably thousands of kinds of metabolisms, or chemical processes that ...

Good blood supply - ensuring oxygen rich blood is taken away from ... oxygen and produces more carbon dioxide due to increased respiration. To handle this: breathing rate increases: you take ...

Raul Mostoslavsky, an oncologist at Harvard University, said the claim that exposing cancer to oxygen was beneficial was "naive and overall inaccurate." While cancer cells use glucose in an anaerobic ...

Anoxia is an extreme medical emergency. Your organs can't function or survive without oxygen. Most organs can survive longer than the brain, but irreversible brain damage occurs after four minutes ...