News tagged with atmospheric oxygen

Oxygen fuels the fires of time

Variations in the Earth's atmospheric oxygen levels are thought to be closely linked to the evolution of life, with strong feedbacks between uni- and multicellular life and oxygen. Over the past 400 million years the level ...

Aug 02, 2010
4.8 / 5 (14) 29 | with audio podcast

Oceans stem the tide of evolution

(PhysOrg.com) -- Toxic seas may have been responsible for delaying the evolution of life on Earth by 1 billion years, experts at Newcastle University have revealed.

Jun 21, 2010
4.6 / 5 (9) 1 | with audio podcast

More oxygen -- colder climate

Everybody talks about CO2 and other greenhouse gases as causes of global warming and the large climate changes we are currently experiencing. But what about the atmospheric and oceanic oxygen content? Which role does oxyge ...

Sep 10, 2009
4.1 / 5 (10) 6