Scientists Turn Skin Cells into Human Eggs in Lab Breakthrough
Scientists have turned skin cells into functional human eggs in lab experiments, opening new avenues for infertility treatments. Early success is low, but the breakthrough is huge.
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Spaceflight Accelerates Aging of Blood-Forming Stem Cells
New NASA-backed study finds spaceflight accelerates the aging of blood-forming stem cells by causing DNA damage, shorter telomeres, and mitochondrial stress.