Unveiling the complex, surprising history of Liberty Bell

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UCLA Historian Gary Nash has unearthed a trove of new information about the Liberty Bell, and how the symbol of American patriotism narrowly missed the scrap heap.

Study finds new pattern in DNA methylation, with implications for cancer, stem cell lines

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Researchers Matteo Pellegrini and Steve Jacobsen have uncovered a previously unknown pattern in DNA methylation. The finding could have implications for preventing some cancers and correcting defects in human stem cell lines.