Topic

De-extinction

Engineered organisms, conservation claims, and what the science actually shows.

2 posts

Illustration for “Dire Wolves Return: Colossal's Next Big Leap After the Woolly Mice”

April 2025

De-Extinction Gene Editing Colossal Biosciences

Dire Wolves Return: Colossal's Next Big Leap After the Woolly Mice

Three wolf pups engineered to resemble extinct dire wolves. The biotech is impressive, but the "de-extinction" label deserves scrutiny.

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Illustration for “The Return of the Woolly Mammoth”

March 2025

De-Extinction Gene Editing Colossal Biosciences

The Return of the Woolly Mammoth

Colossal Biosciences created mice with mammoth-like fur. It's a proof of concept for de-extinction, and it raises real questions about whether we should.

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