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In a paper published online in advance in Nature this week, a team led by investigators at the Washington University School of Medicine presents an evaluation of how gut microbiomes differ among human populations. Based on its characterization of bacterial species in fecal samples from 531 individuals — from the Amazonas of Venezuela, rural Malawi, and US metropolitan areas — as well as the gene content of 110 of those individuals, the team identified "shared features of the functional maturation of the gut microbiome ...

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NPR reports the US Food and Drug Administration has approved a treatment for a genetic disorder that causes rapid aging.

Late-stage testing indicates the AstraZeneca and Oxford University SARS-CoV-2 vaccine can have up to 90 percent efficacy, the Associated Press reports.

ScienceInsider reports Nature Communications is reviewing a paper on mentorship following social media criticism arguing it is sexist.

In PLOS this week: method to account for sequencing errors in phylogenies, study of influenza A in Switzerland, and more.