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Key insight about mitochondrial replacement therapy

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Mitochondrial donors should be carefully selected to avoid transmission of harmful mutations, outlines a new report. Mitochondrial replacement therapy offers hope for women genetically predisposed to pass on mutant mitochondria, the tiny powerhouses inside nearly every cell of the body. Mitochondrial DNA is passed only from mothers to their children. Mutations can cause a range […]

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Modeling offers new perspective on how Pluto’s ‘icy heart’ came to be

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Pluto’s “icy heart” is a bright, two-lobed feature on its surface that has attracted researchers ever since its discovery by the NASA New Horizons team in 2015. Of particular interest is the heart’s western lobe, informally named Sputnik Planitia, a deep basin containing three kinds of ices–frozen nitrogen, methane and carbon monoxide–and appearing opposite Charon, […]