science · 3 outlets · 3 linked reports
Colossal's 'Dire Wolves' Spark a De-Extinction Debate
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Summary
- Biotech firm Colossal Biosciences created three gene-edited gray wolves — Romulus, Remus and Khaleesi — using 20 edits across 14 genes informed by ancient dire-wolf DNA, and in 2026 announced a frozen 'biovault' for endangered species.
- Scientists stress the animals are genetically modified gray wolves, not truly resurrected dire wolves, though the edits produced white coats, larger size and bigger jaws.
- Colossal, whose species-revival effort runs about $615M, aims for woolly-mammoth embryos ready by late 2026 — but critics warn de-extinction hype may distract from real conservation.
The question
De-extinction projects distract from protecting species that are still alive.
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