Want to live longer? Just breathe less oxygen. Scientists at Massachusetts General Hospital have discovered that living in a state of hypoxia — having low oxygen in your body tissue — may actually ...
It is widely believed that Earth's atmosphere has been rich in oxygen for about 2.5 billion years due to a relatively rapid increase in microorganisms capable of performing photosynthesis. Researchers ...
Microscopic ocean algae produce a huge share of Earth’s oxygen—but they need iron to do it. New field research shows that when iron is scarce, phytoplankton waste energy and photosynthesis falters.
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