News tagged with damages

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Why plants don't get sunburn

Plants rely on sunlight to make their food, but they also need protection from its harmful rays, just like humans do. Recently, scientists discovered a group of molecules in plants that shields them from ...

Oct 29, 2014
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How to remove tangles in your DNA

(Phys.org) —DNA damage is a fact of life. On any given day, an organism's DNA will suffer between 10,000 and 1,000,000 breaks or other damage. These problems are repaired by enzymes in our cells that fix ...

Oct 08, 2014
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Scientists say the ozone layer is recovering

Earth's protective ozone layer is beginning to recover, largely because of the phase-out since the 1980s of certain chemicals used in refrigerants and aerosol cans, a U.N. scientific panel reported Wednesday ...

Sep 10, 2014
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New functions for chromatin remodelers

Large molecular motors consisting of up to a dozen different proteins regulate access to the genome, which is essential for the transcription of genes and for the repair of DNA damage. Susan Gasser and her ...

Aug 28, 2014
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