The organs might begin a role in the immune system after egg production stops. Plus, precise gene-editing of human embryos and a game to terraform Mars.
26 June 2026
The organs might begin a role in the immune system after egg production stops. Plus, precise gene-editing of human embryos and a game to terraform Mars.
By
Flora Graham
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New human embryo editing advances require tough conversations on ethical boundaries
We’ve uncovered a master gene that switches on human development
Next-gen CRISPR tools improve editing accuracy in embryos, but also stoke ethical concerns
Embryo editing advances reignite ethical debates
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