This Week in PLoS

Columbia University scientists have used microarray analysis to study the effects of epigenetic influences and gene expression patterns on behavioral variability. Using genetically identical mice, their work, published in PLoS ONE this week, shows that variability in large-scale organization of gene expression levels in the hippocampus, rather than differences in the expression levels of specific genes, is associated with individual differences in behavior in the mice.

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Using DNA to sketch crime victims might not be a great idea, the NYTimes says.

Science has its own problem with sexual harassment. What do we do with the research these abusers produce, Wired asks.

Senate Republicans led by Senator Rand Paul (R-KY) are trying to change how the government funds basic research, reports ScienceInsider.

In Science this week: combining genomics and ecology to better understand the effects of natural selection on evolution, and more.