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oxygen
Earth Sciences
December 31, 2022
2022 - a rock-solid year for geology
History
October 24, 2022
Multi-celled animals may have evolved thanks to “wildly fluctuating” oxygen levels a billion years ago
Earth
August 13, 2022
Breathe in, breathe out and thank your lucky… rocks?
Earth Sciences
March 30, 2022
Bombardments from outer space shaped the atmosphere
Evolution
September 29, 2021
Let there be photosynthesis: three billion years of fresh air
Climate
August 3, 2021
Did the slowing of the Earth's rotation create life as we know it?
Earth
June 3, 2021
Oxygen declining in the world’s lakes
COVID
May 15, 2021
Fighting COVID-19 with an oxygen enema?
News
April 22, 2021
How did Perseverance make oxygen on Mars?
Energy
November 26, 2020
Producing hydrogen, not oxygen
Earth Sciences
December 12, 2019
Was Earth’s oxygenation a gradual process?
Biology
December 17, 2018
Temperature the key to multicellular evolution
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