Isolating specific cell types from a mass of plant or animal tissue is laborious and tricky. To study epigenetic changes and genes that are expressed differently in different cell lineages—such as cancer cells versus normal cells, or the two types of
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Gut bacteria may be the missing piece that explains the connection between diet and cancer risk.
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A study that identified several genes linked to extremely long life has been retracted due to technical errors in the sequencing chips used.
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Non-African people carry remnants of the Neanderthal X chromosome, suggesting interbreeding with early human ancestors.
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The number of human embryonic stem cells approved for federal funding continues to grow.
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