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A Spot on the X

A segment of the human X chromosome found in non-African human populations comes from Neandertals, report the Université de Montréal's Damian Labuda and his colleagues in this month's Molecular Biology and Evolution. This small section, the researchers say, is found in about 9 percent of non-Africans. Labuda and his team analyzed 6,092 X chromosomes from populations across the world and found evidence of admixture between Neandertals and humans as they migrated out of Africa. "Somewhere very early on, there was an encounter between Neanderthals and humans," Labuda tells CBC News.

The Scan

CDC Calls Delta "Variant of Concern"

CNN reports the US Centers for Disease Control and Prevention now considers the Delta variant of SARS-CoV-2 to be a "variant of concern."

From FDA to Venture Capital

Former FDA Commissioner Stephen Hahn is taking a position at a venture capital firm, leading some ethicists to raise eyebrows, according to the Washington Post.

Consent Questions

Nature News writes that there are questions whether informed consent was obtained for some submissions to a database of Y-chromosome profiles.

Cell Studies on Multimodal Single-Cell Analysis, Coronaviruses in Bats, Urban Microbiomes

In Cell this week: approach to analyze multimodal single-cell genomic data, analysis of bat coronaviruses, and more.