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The mammoth steppe ecosystem that stretched from Spain across Eurasia has long disappeared, but a group of geneticists are hoping to change this by cloning living elephant cells that contain a small component of synthesized mammoth DNA. They claim that reintroducing such mammoth-like creatures to Arctic tundra environments could help stop the release of greenhouse gases from the ground and reduce future emissions as temperatures rise due to climate change. [Source: Smithsonian]
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