oxygenation
Bright Lights and Bacteria Treat Rats’ Heart Attacks
Bright Lights and Bacteria Treat Rats’ Heart Attacks
Ruth Williams | Jun 14, 2017
Injecting photosynthetic microbes into oxygen-starved heart tissue can improve cardiac function in rodents. 
Early Animals Oxygenated Oceans
Early Animals Oxygenated Oceans
Bob Grant | Mar 11, 2014
Researchers suggest that ancient animal species helped oxygenate Earth’s oceans, paving the way for complex life forms to evolve.