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Will Earth survive when the sun becomes a red giant?

Since the beginning of human history, people have understood that the sun is a central part of life as we know it. It's importance to countless mythological and cosmological systems across the globe is a testament to this. ...

dateMay 10, 2016 in Astronomy
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How did phosphate get into RNA?

The phosphate ion is almost insoluble and is one of the most inactive of Earth's most abundant phosphate minerals. So how could phosphate have originally been incorporated into ribonucleotides, the building blocks of RNA, ...

dateAug 18, 2016 in Biochemistry
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