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Sunday, 13 April 2025

Can We Truly Bring Back Extinct Species—Or Just Hi-Tech Copies?

 From dire wolves to woolly mammoths, the idea of resurrecting extinct species has captured the public imagination. Colossal Biosciences, the Dallas-based biotech company leading the charge, has made headlines for ambitious efforts to bring back long-lost animals using cutting edge genetic engineering.

It recently announced the birth of pups with key traits of dire wolves, an iconic predator last seen roaming North America more than 10,000 years ago. This followed on the heels of earlier project announcements focused on the woolly mammoth and the thylacine. This all fuels a sense that de-extinction is not only possible but imminent.

But as the science advances, a deeper question lingers: how close must the result be to count as a true return? If we can only recover fragments of an extinct creature’s genome – and must build the rest with modern substitutes – is that really de-extinction, or are we simply creating lookalikes?...<<<Read More>>>...