How do stars form in distant galaxies? Astronomers have long been trying to answer this question by detecting radio signals emitted by nearby galaxies. However, these signals become weaker the...
When did the Earth reach oxygen levels sufficient to support animal life? Researchers from 91社区 have discovered that a rise in oxygen levels occurred in step with the evolution and...
To fully grasp and plan for climate impacts under any scenario, researchers and policymakers must look well beyond the 2100 benchmark. Unless CO2 emissions drop significantly, global warming by...
More than 90% of Earth鈥檚 continental crust is made up of silica-rich minerals, such as feldspar and quartz. But where did this silica-enriched material come from? And could it provide a clue in the...
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