Seminar on Sponge Sterol Lipid Fossils on May 5, 2022
April 28, 2022
Experts say only a brief window of time is left to respond.
[more]Findings have implications for freshwater availability and sea levels.
[more]Recent research by Professor Sarah Slotznick challenges the view that scientists proposed in 2007 of a "whiff of oxygen" present before the Great Oxygenation Event more than 2 million years ago.
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