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evolutionary biology

The researchers studied the admixture of humans and Neanderthals using 14 million archaic chromosome fragments detected in whole genomes from 27,566 Icelanders.

Researchers have been using Nextstrain, which includes data for thousands of SARS-CoV-2 genomes, to study how the virus accrues mutations over time.

Though it is unclear whether the virus became pathogenic before or after the jump from animals to humans, genomic features point to a natural source for the COVID-19 coronavirus.

A sequencing analysis of New York City rats indicates they have adapted to the urban environment there, according to a recent preprint.

Ars Technica reports that a multicellular eukaryotic parasite has lost its mitochondria.

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

Parakeet Extinction

A new genetic analysis implicates people in the extinction of Carolina parakeets, according to National Geographic.

Nuclear and mitochondrial genome sequences from 120,000-year-old Neanderthal remains from Germany and Belgium revealed genetic ties to more recent Neanderthal populations.

In PNAS this week: copy number changes arose during polar bear evolution, genomic and transcriptomic analysis of the Siberian hamster, and more.

In PNAS this week: tool to predict pathogenic gene pairs, analysis of bat evolution, and more.

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Nobel laureates and scientific societies urge NIH and the Department of Health and Human Services to revisit the recent decision to end funding for a coronavirus grant.

Bloomberg reports that BGI's SARS-CoV-2 testing sites in the Middle East have raised concerns among US officials.

A new Pew Research Center poll finds confidence in medical researchers has grown among US adults since the start of the coronavirus pandemic.

In Science this week: machine learning algorithm for faster Mendelian disorder diagnoses, gene linked to safe response to nitrogen-containing bisphosphonates, and more.