Scientists inch forward in efforts to resurrect an extinct giant

Colossal Biosciences researchers say they have advanced efforts to bring back a genetically engineered version of the woolly mammoth.

A bold plan to genetically engineer a version of the woolly mammoth, the tusked ice age giant that disappeared 4,000 years ago, is making some progress, according to the scientists involved. The long-term goal is to create a living, walking elephant-mammoth hybrid that would be visually indistinguishable from its extinct forerunner and — if released into its natural habitat in sufficient numbers — could potentially help restore the fragile Arctic tundra ecosystem.

Engineering a woolly mammoth hybrid The elephant stem cells also hold the key to the mammoth’s rebirth. Once edited to have mammoth-like genetic traits, the elephant’s cells could be used to make eggs and sperm and an embryo that could be implanted into some kind of artificial womb. However, that will take years of work.

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