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Just One Molecule

Using scanning probe microscopy, a team from IBM was able to visualize the structure of cephalandole A. Previously, the structure of the natural product had been incorrect and then fixed, and this method, the researchers say in their Nature Chemistry paper, gives an accurate determination of its chemical structure." At In the Pipeline, Derek Lowe says that "it's quite possible that as this technique goes on that it could become a real structure-determination tool," though he cautions that it is still "early days."

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 over 65 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.