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This week in Science: Neanderthal Y chromosomes replaced by Homo sapiens Y chromosomes, and more.

In Genome Biology this week: analysis of tuberculosis samples from the 1600s, tool to detect variants affecting RNA-binding protein activity, and more.

Back to Neanderthals

Researchers traced a gene cluster linked to COVID-19 severity to Neanderthals, the New York Times reports.

While new ways to carry out pool testing for SARS-CoV-2 abound, questions remain about sensitivity issues and the regulation of such tests.

In Science this week: analysis of ancient Caribbean islanders' genomes suggests at least three waves of migration into the region,  DNA barcoding of microbial spores, and more.

Ancient samples from more than a dozen archaeological sites suggests population movement from South America preceded by at least two earlier migration waves.

Ancestry patterns appeared to shift in parts of northern China during the Neolithic and Bronze Age as populations transitioned to farming-focused and pastoralist subsistence strategies.

Investigators explored population dynamics during the shift to farming with new sequence data from more than 100 individuals from present-day France and Germany.

Independent research teams have tackled the genetic history of the Levant, Anatolia, and other parts of the Near East to retrace population movement and mixing since the Bronze Age.

Researchers teased apart population interactions in Siberia's Lake Baikal region as far back as the Upper Paleolithic, identifying early genetic ties to individuals migrating to the Americas.

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Novavax has begun a phase III trial of its SARS-CoV-2 vaccine, according to the New York Times.

Vox reports that the Trump Administration may limit student visas for individuals from some countries to two years.

The governor of New York says the state will conduct its own review of any SARS-CoV-2 vaccine, NPR reports.

This week in Science: Neanderthal Y chromosomes replaced by Homo sapiens Y chromosomes, and more.