Ocean changes almost starved life of oxygen

Chemical changes in the oceans more than 800 million years ago almost destroyed the oxygen-rich atmosphere that paved the way for complex life on Earth, new research suggests.

Research pinpoints role of 'helper' atoms in oxygen release

(Phys.org) —Experiments at the Department of Energy's SLAC National Accelerator Laboratory solve a long-standing mystery in the role calcium atoms serve in a chemical reaction that releases oxygen into the air we breathe. ...

Octopus' blue blood allows them to rule the waves

Worldwide colonization by octopods is in their blood! They manage to survive temperature habitats ranging from as low as -1.8°C to more than 30°C due to their ability to keep supplying oxygen to their body tissues. A new ...

How fish won the oxygen war

(Phys.org) —A missing link in the story of how the fishes triumphed over toxic oceans and past climate changes has been revealed by an international team of scientists.