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In Science this week, researchers at the New York University School of Medicine and their colleagues compare the genome sequences of the ants Camponotus floridanus and Harpegnathos saltator. Both species' genomes, the authors write, "contained high amounts of CpG, despite the presence of DNA methylation." In their gene expression comparisons, Roberto Bonasio et al. found an "up-regulation of telomerase and sirtuin deacetylases in longer-lived H.

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NPR reports that researchers have developed chimeric embryos as part of work toward growing human organs in animals for organ transplants.

According to the Washington Post, the Biden Administration is set to make changes to federal restrictions on fetal tissue research.

In Science this week: approach to isolated trace DNA from archaic humans from sediments, and more.

Texas Monthly looks into the DNA Zoo being collected by Baylor College of Medicine researchers.