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NEW YORK – Viking ancestry and interactions appear to have been far more complex than previously appreciated, according to a new ancient DNA analysis.

"Many Vikings have high levels of non-Scandinavian ancestry, both within and outside Scandinavia, which suggest ongoing gene flow across Europe," co-first author Martin Sikora, a researcher at the University of Copenhagen's Centre for GeoGenetics, said in a statement.

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An analysis of blood donations suggests SARS-CoV-2 was present in the US weeks earlier than thought, according to NPR.

The Guardian reports that DeepMind Technologies' AlphaFold can predict how proteins fold.

CNBC reports that a US Centers for Disease Control and Prevention advisory panel is to vote on how to distribute COVID-19 vaccines.

In PNAS this week: targeting progesterone signaling in ovarian cancer, LINE-1 retrotransposition events in adenocarcinomas, and more.

Dec
03
Sponsored by
Mission Bio

Recent work by many investigators has discovered that over the course of aging, hematopoietic stem cells (HSCs) commonly undergo clonal expansion. 

Dec
10
Sponsored by
Tecan

CRISPR has developed into a core tool to facilitate genome editing, inspiring transformative ideas in engineering biology. 

Dec
10
Sponsored by
Illumina

Numerous companies now offer non-invasive prenatal screening (testing), many on different technology platforms.