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Hoping to revive mammoths, scientists create 'woolly mice'


Hoping to bring the giant, ancient animal back from extinction, scientists have created a far smaller woolly creature. Woolly mice have some of the key traits of mammoths, including their thick, hairy coat.

"For us, it's an incredibly big deal," says Beth Shapiro, chief science officer at Colossal Biosciences, a Dallas company trying to resurrect the woolly mammoth and other extinct species. toggle caption Colossal Bioscience The researchers used the latest genetic engineering techniques to make a combination of modifications based on what they found in the mammoth genomes and in mouse DNA in the hopes the changes would produce the desired attributes in the offspring. "They sort of want to mess around on a pretty large scale," says Karl Flessa, a professor of geosciences at the University of Arizona "I don't know what the downside of having a bunch of hairy Asian elephants stomping around in the tundra might be.

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