Organoids are small-scale models that mimic human organs. These models could help scientists understand diseases and test treatments, and potentially ...

To work toward earlier detection, Nadkarni studies the placenta. The organ grows in a gestating mammal’s uterus to nourish a fetus—but can do that properly only if the immune system is working.

1 That was until a few years ago, when researchers generated mouse pups using genetic material from two same-sex parents ... Although this strategy successfully generated embryos, they failed to ...