A recent paper in PLoS Biology looks at the genome-wide trimethylation pattern of histone H3 lysine 27 (H3K27me3) in Arabidopsis, discovering that it is a primary gene silencing mechanism.

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Researchers find that historical factors influence which genes are the most highly studied, the Atlantic reports.

The US National Science Foundation's new sexual harassment policy is to go into effect next month, according to Nature News.

Researchers report using genotyping to tie together illegal ivory shipments and trace them back to a handful of cartels, the New York Times reports.

In Nature this week: genomic ancestry analysis of Sardinians, current noncoding mutations in colorectal cancer, and more.