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In Nature Ecology & Evolution this week, an international research team reports the sequenced genomes of two giant tortoises — including Lonesome George, the last member of a now-extinct species of Galapagos Islands tortoises — yielding insights into the genetics of longevity and age-related disease. A comparison of the genomes to those of related species reveals lineage-specific variants affecting DNA repair genes, inflammatory mediators, and genes related to cancer development.

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A federal judge has ruled that drug companies, device manufacturers, and universities need to provide missing clinical data from hundreds of trials to a federal website, ScienceInsider reports.

A genetic analysis suggests red pandas might actually belong to two different species, New Scientist reports.

NPR reports that the US Centers for Disease Control and Prevention has fixed the problem with some of its SARS-CoV-2 testing kits.

In Nature this week: epigenetic factors that prevent healthy aging and more.