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Epigenetics, Right Next to Butter Almond Crunch

"[Epigenetics is] the flavor of the month," says McGill University's Michael Meaney in the Washington Post. The article looks at the work of Duke's Randy Jirtle, who is studying the mouse epigenome as it related to obesity, and of Simon Gregory, who is looking at the link between DNA methylation and autism. Though much of their work is in its early days, there is hope that is could lead to a new sort of therapy — but Jirlte says it's "a pretty broad brush."

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.