This Week in PLoS

In PLoS Biology this week, researchers study canalization, or the reduction in phenotypic variation, in developing Drosophila embryos. They used a predictive dynamical model of gene regulation to study the effect of variation of the maternal protein, Bicoid, on downstream gap genes, showing that canalization results from specific interactions among these genes. In embryos mutant for two gap genes, Krüppel and knirps, variation is increased.

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An artificial intelligence-based analysis suggests a third group of ancient hominins likely interbred with human ancestors, according to Popular Mechanics.

In Science this week: reduction in bee phylogenetic diversity, and more.

The New York Times Magazine looks into paleogenomics and how it is revising what's know about human history, but also possibly ignoring lessons learned by archaeologists.

The Economist reports on Synthorx's efforts to use expanded DNA bases they generated to develop a new cancer drug.