The Texas startup that’s bringing back the Wooly Mammoth has a new project: growing chickens in artificial eggs

Colossal’s first-of-a-kind 3D-printed eggs function like the real thing.

[Photo: Colossal Biosciences]

A flock of chickens living in a coop near Dallas, Texas, are ordinary birds. But they hatched inside 3D-printed artificial eggs in a lab at Colossal Biosciences, the Dallas-based “de-extinction” company.

Colossal designed a new system that functions essentially like a natural egg. One of the company’s goals: to use it to bring back the South Island giant moa, a bird that went extinct in the 15th century. But the technology could also be used to help........

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