This Week in Nature

In Nature this week, researchers from the Dana-Farber Cancer Institute report animal data showing that small subgroups of tumor cells can drive proliferation of surrounding cancer cells. While it has long been known that tumors consist of different populations of cancerous cells with substantial genetic heterogeneity, just how this affects disease progression has been unclear.

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Two researchers have found that behavioral genetic defenses in criminal cases don't tend to affect outcomes, according to Popular Science.

Researchers report that while host genetics influence the oral microbiome, they don't appear to affect cavity-causing microbes, the Economist says.

Pandas' gut microbiomes change as what they eat changes with the seasons, writes Discover's Inkfish blog.

In PLOS this week: comparative genomic study of malaria-linked macaque parasite, search for apple root reference genes, and more.