For a study published in the journal Nature Communications, researchers from Philadelphia suspended premature lambs, a close animal model for human fetuses, in a special bag filled with lab-made amniotic fluid, allowing them to further develop for four weeks—longer than in past similar attempts. Anthony and Jeff discuss the benefits of artificial wombs and whether they'd like to see what it would reveal.

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Today’s story was sent in by Maggie Christensen: https://www.theatlantic.com/health/archive/2017/04/preemies-floating-in-fluid-filled-bags/524181/

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