In this photo provided by the Children’s Hospital of Philadelphia, fetal physiologist Marcus G. Davey of the Children’s Hospital of Philadelphia, who helped design the artificial womb system. He is shown near giant tanks holding a liquid designed to simulate amniotic fluid. Researchers are creating an artificial womb to improve care for extremely premature babies, and animal testing suggests the first-of-its-kind watery incubation so closely mimics mom that it just might work. (Ed Cunicelli/Children’s Hospital of Philadelphia via AP)
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