This Week in Science

In Science this week, a team led by researchers at University of Massachusetts Medical School shows that in the mammalian genome, genome-wide demethylation followed by de novo methylation initiates "a pattern inherited throughout development and modified only at tissue-specific loci." The UMass Med-led team reports on its in vivo investigation of methylation in differentiating mouse erythroblasts using reduced representation bisulfite sequencing.

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NPR reports on Human Cell Atlas Consortium's effort to catalog all the different cell types within the human body.

The Union of Concerned Scientists surveyed US government scientists about Trump Administration policies and more, Science reports.

National Geographic reports that marine mammals have lost a gene that could make them more susceptible to organophosphate damage.

In PNAS this week: history and genetic diversity of the scarlet macaw, approach for predicting human flu virus evolution, and more.