Revived 'Zombie Worm' Sparks Climate Change Concerns
‘Zombie Worm’ awakens after 24,000 years: Scientists revive a frozen worm that can survive freezing, starvation and even reproduce without partner
The Economic TimesImage: The Economic Times
Scientists have revived a bdelloid rotifer, dubbed a 'zombie worm,' from 24,000-year-old Siberian permafrost, showcasing its remarkable ability to survive extreme conditions. This discovery highlights the implications of thawing permafrost on ancient microbes and significant carbon reserves, raising urgent concerns about climate change's impact on the environment.
- 01A bdelloid rotifer, revived from 24,000-year-old permafrost, can survive extreme conditions.
- 02The revival emphasizes the risks of thawing permafrost, which contains vast amounts of carbon.
- 03Thawing permafrost may release ancient microbes and pathogens, posing potential risks.
- 04The discovery aids research in cryopreservation and astrobiology.
- 05Scientists stress the importance of monitoring environmental changes in the Arctic.
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A bdelloid rotifer, referred to as a 'zombie worm,' has been revived from 24,000-year-old permafrost in Siberia, showcasing its ability to endure extreme conditions such as freezing and starvation. This remarkable organism, which can reproduce without a partner, has reignited discussions about the implications of thawing Arctic permafrost, which holds approximately 1,500 gigatons of carbon. As global temperatures rise, this permafrost is destabilizing, potentially releasing carbon dioxide and methane, both significant greenhouse gases. The United Nations Environment Programme warns that thawing permafrost could also reintroduce ancient pathogens, as seen in the 2016 anthrax outbreak linked to thawing ground. While the revival of the rotifer does not imply the resurrection of larger organisms, it could enhance cryopreservation techniques and inform astrobiology research. Ultimately, this discovery underscores the urgency of monitoring climate change impacts on fragile polar ecosystems, as the consequences extend beyond the Arctic to global climate stability.
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The thawing of permafrost could lead to increased carbon emissions, affecting climate stability and potentially releasing ancient pathogens.
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