Egg-free chickens

In the process, Colossal may have handed a useful tool to developmental biology.

A chicken embryo develops inside one of the new devices developed by Colossal.

Colossal

On Tuesday, biotech startup Colossal announced its newest development on the road to its announced goal: reversing the extinction of species, in this case avian species. The development itself is essentially an artificial eggshell, one that allows almost the entirety of development to take place without the shell. The company transferred the contents of eggs to their specially designed container within a day or two of laying and were able to have normal chicks walk away from it.