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ScienceDaily: Top Environment News |
| New discovery shows human cells can write RNA sequences into DNA Posted: 11 Jun 2021 02:40 PM PDT In a discovery that challenges long-held dogma in biology, researchers show that mammalian cells can convert RNA sequences back into DNA, a feat more common in viruses than eukaryotic cells. |
| Posted: 11 Jun 2021 02:40 PM PDT Pine Island Glacier's ice shelf lost about one-fifth of its total area between 2017 and 2020, in three dramatic collapses. Meanwhile the glacier sped up by 12 percent. The rest of the ice shelf, the authors say, could disappear much sooner than previous studies had suggested. |
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