Learn how oxygen’s early rise could have given complex life the energy boost it needed to evolve.
Life on Earth may have learned to breathe oxygen long before oxygen filled the skies. MIT researchers traced a key ...
Some of Earth’s earliest microbes evolved the ability to use oxygen hundreds of millions of years before it accumulated in ...
Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...
Aerobic respiration began hundreds of millions of years earlier than previously thought, a new study suggests.
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