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Take Your Bases and Mix Thoroughly

Over at Discovering Biology in a Digital World, Sandra Porter blogs about mapping polymorphisms in PCR products amplified from 16S ribosomal RNA genes. The post stems from an exercise she's doing with her class, and she includes a 15-minute video demonstrating how the group aligned sequences and found the polymorphisms in the 3D structure.

 

The Scan

Booster for At-Risk

The New York Times reports that the US Food and Drug Administration has authorized a third dose of the Pfizer-BioNTech SARS-CoV-2 vaccine for people 65 and older or at increased risk.

Preprints OK to Mention Again

Nature News reports the Australian Research Council has changed its new policy and now allows preprints to be cited in grant applications.

Hundreds of Millions More to Share

The US plans to purchase and donate 500 million additional SARS-CoV-2 vaccine doses, according to the Washington Post.

Nature Papers Examine Molecular Program Differences Influencing Neural Cells, Population History of Polynesia

In Nature this week: changes in molecular program during embryonic development leads to different neural cell types, and more.