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Scientists Create 'Woolly Mice' in a Step Towards Reviving Extinct Species

Exploring the future of conservation through genetic engineering

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  • Researchers genetically engineer mice with woolly mammoth-like hair using CRISPR technology.
  • The project aims to explore conservation and species adaptation to climate change.
  • Critics raise ethical concerns, emphasizing the importance of preserving existing biodiversity.

In a groundbreaking development that blurs the lines between science fiction and reality, researchers have successfully genetically engineered mice to exhibit thick, woolly hair reminiscent of the extinct woolly mammoth.

This innovative experiment, conducted by a team at Colossal Biosciences, aims to explore the possibilities of bringing back characteristics of long-gone species through modern genetic editing techniques.

The project, while not aiming to resurrect the mammoth itself, seeks to understand how certain traits can be reintroduced into living organisms, potentially offering insights into conservation and the adaptation of species to changing climates.

The genetically modified mice, affectionately dubbed 'woolly mice,' showcase the potential of CRISPR technology in editing multiple genes simultaneously to achieve desired physical traits.

This endeavor is part of a broader initiative by Colossal Biosciences to explore the genetic engineering of animals to possess traits of their extinct relatives, with the ultimate goal of applying these techniques to endangered species to aid in their survival.

Critics, however, caution against the ethical implications and the practicality of such experiments, emphasizing the importance of focusing on the preservation of existing biodiversity.

Despite the controversy, the project represents a significant step forward in genetic engineering, opening up new avenues for research in conservation biology and the potential for mitigating the impacts of climate change on vulnerable species.

— Keys Nature, 2025-03-12
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