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Mysterious 444-million-year-old fossil has guts, scientists are losing mind
Paleontologists have uncovered a 444-million-year-old fossil with remarkably intact soft tissues, such as muscles, ...
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This 444 Million-Year-Old Arthropod Was Fossilized Inside Out
In place of oxygen, the ocean was full of hydrogen sulfide, which the researchers believe may have caused the organism to ...
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Supernovas may have had a role in two of Earth’s largest mass extinctions, study suggests
Violent supernovas may have caused two of Earth’s largest mass extinctions that have never been completely explained, according to a theory put forward in new research.During the final stages of ...