This Ferret Died 33 Years Ago. Scientists Just Brought Her Back to Life.
For the first time, scientists have cloned an endangered U.S. species: a black-footed ferret named Elizabeth Ann, whose donor has been dead for more than 30 years. After the original ferret, Willa, died in 1988, scientists froze her body to preserve her genetic material, hoping to someday perform an experiment like this.
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