Bioethics professor at NYU Langone, leading figure in medical ethics
Colossal Biosciences has demonstrated a silicone artificial eggshell that supports chick development in a membrane-based culture system. The company has used this platform to hatch 26 chicks and says the approach could be scaled to explore de-extinction ideas, including moa revival, though independent scientists remain cautious about the broader feasibility and ethical implications.
Researchers have used CRISPR to deactivate an allergy-causing gene in dogs, creating two beagle puppies with saliva and fur that no longer trigger common dog allergies. The work, published in the CRISPR Journal, shows a potential path for allergy-free pets, though wide adoption will take years and raises ethical questions.