Tiny marine plankton that build calcium carbonate shells play an outsized role in regulating Earth’s climate, quietly pulling ...
The Brighterside of News on MSN
Study finds microbes used oxygen far earlier than scientists thought
Oxygen fills the air today, but for most of Earth’s early history it barely existed. Scientists say the atmosphere did not hold steady oxygen until about 2.33 billion years ago, during the Great ...
AZ Animals on MSN
This Fish Walks on Land and Breathes Through Its Skin
The old idiom of being a fish out of water is never a positive thing. Instead, it paints a picture of being uncomfortable or awkward. This is how most fish feel when they are removed from their ...
Oxygen is everywhere on Earth today. But that hasn’t always been the case. Scientists think oxygen only became a lasting part ...
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