Biotechnology company Colossal Biosciences unveiled images and footage of “woolly mice” on Tuesday (March 4), with fur similar to the thick hair that kept woolly mammoths warm during the last ice age.
Colossal scientists used mice because their shorter gestation period makes it much easier to test the gene edits and engineering tools needed to do the same procedure on elephants, in the hope that one day they could “resurrect” woolly mammoths (Mammuthus primigenius).
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