During fetal surgery, a small opening is made in the uterus. The surgeons then float the fetus up to that incision point so they can expose the back of the fetus and the spina bifida defect. The care team places a small patch containing living stem cells directly over the fetus’s exposed spinal cord, before closing the layers of the back to allow the tissue to regenerate. The stem cells, taken from donated placentas, are designed to protect the developing spinal cord from further damage before birth.
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This is also where the ethical concerns hit hardest, though. Facial recognition and microexpression analysis have drawn serious scrutiny for potential bias against certain demographics. Researchers have raised legitimate questions about whether AI can reliably read facial cues across different cultural backgrounds, skin tones, and physical conditions. HireVue actually stopped analyzing facial expressions back in 2021 after sustained pushback, but the broader landscape of video analysis tools still varies wildly in how they handle these signals. If you're looking at a video analysis platform, it's worth looking at what measurements have been validated across diverse populations.。关于这个话题，夫子提供了深入分析
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