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Through tens of thousands of iterations, the study team tracked how the virus affected species diversity of a bacterial community. About 1% of the ancient viruses caused major disruptions to the digital ecosystems. The pathogen either increased diversity by up to 12% or, conversely, decreased species diversity by 32%. The role of carbon emissionsModern organisms, including humans, have few, if any, natural defense mechanisms for ancient pathogens. If ancient pathogens did somehow manage to escape, they would have trouble finding people to infect.
Persons: Giovanni Strona, Corey Bradshaw, Jean, Michel Claverie’s, Claverie, Bradshaw, , Strona, Kimberley Miner, Miner Organizations: CNN, Asahi Shimbun, NASA, Marseille University School of Medicine, Laboratory, Flinders University, Commission’s, Research, NASA Jet Propulsion Laboratory Locations: Greenland, Alaska, Siberia, Tibetan, Canada, Barrow , Alaska, Aix, Australia, Pasadena , California
Scientists have previously revived ancient bacteria and prehistoric viruses that had been trapped. Scientists have a long record of resurrecting prehistoric viruses and ancient bacteria frozen in ice. However, as the climate crisis is melting ancient ice sheets worldwide, experts are growing concerned that prehistoric viruses could pose a risk to humanity. Other research has found 28 prehistoric viruses dating back 15,000 years in frozen ice cores. It's very difficult to keep samples pristine when extracting ancient ice, and even more difficult to conclusively date the ice.
Persons: Lonnie Thompson, Jean, Michel Claverie, it's, Birgitta Evengård, It's, hadn't Organizations: Service, Privacy, The Ohio State University, Byrd, Climate Research, Umea University, CNN Locations: Yao, Tibetan, French, Antarctica, Russia
Scientists revived a 48,500-year-old 'zombie' virus from permafrost and found it was still infectious. Some scientists are concerned that climate change thawing permafrost could reawaken ancient viruses. A carcass of an Ice Age cave bear found on Great Lyakhovsky Island, in northern Russia, unearthed by thawing permafrost. How 'zombie' viruses could infect hosts once they emergeThis isn't the first time Claverie has revived ancient viruses, or "zombie viruses" as he calls them. The current research on frozen viruses like Claverie's 'zombie' virus is helping scientists understand more about how these ancient viruses function and whether, or not, they could potentially infect animals or humans.
In the birthplace of soccer legends Diego Maradona and Lionel Messi, signs in some shop windows read "no more stickers or albums", referring to the 2022 collectible sticker albums ahead of the November tournament in Qatar. Register now for FREE unlimited access to Reuters.com Register"It's frustrating not being able to find any," said Exequiel Claverie, a 38-year-old media professional and father of three children who are fans of local club River Plate. "I arrive home every day to (my children) saying: 'Hey dad, did you buy stickers?' Sticker manufacturer Italy's Panini says this year many adults are also collecting stickers, adding to demand. Register now for FREE unlimited access to Reuters.com RegisterReporting by Lucila Sigal; Editing by Nicolas Misculin, Adam Jourdan and Aurora EllisOur Standards: The Thomson Reuters Trust Principles.
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