Is life possible without oxygen

Once again, life has been found in an environment that would be deeply inhospitable to most organisms living on this planet.

If there was life on Mars billions of years ago — even just microbial life — it could change our understanding of how life begins.

Despite having an intense surface temperature of about 232°C (450°F), it is possible ... oxygen stays behind. Schaefer said in a statement: “On cooler planets, oxygen could be a sign of alien ...

University of Manchester and University of North Texas scientists are the first to show that an embryonic living heart can be programmed to survive the effects of a low oxygen environment in later ...

And a peak that one particular world-class mountaineer, Adrian Ballinger, has overcome time and time again, more recently without the use of supplemental oxygen – joining an elite group of less ...

Worlds that hold onto their dense primordial atmospheres of hydrogen and helium may stay warm enough to maintain liquid water on their surfaces, even without starlight ...

Run by the University of Portsmouth, the new study will see patients wrapped in a tent that restricts oxygen levels as they sleep. They will be monitored for 20 nights.

38 Babies should be able to cope with short periods in air without being at risk ... the home in order to lead as normal a life as possible. It is essential that appropriate equipment is available—for ...

Despite me being careful, Freddie has ended up in hospital every year during pollen season with a bad asthma attack.

during anesthesia and for life support to patients who cannot breathe on their own. Dr Bore explained that the four possible sources of medical oxygen include oxygen concentrators, refillable ...