By Justin Petrone

Growing demand for arrays designed to detect tumor copy-number changes is enticing more chip manufacturers to offer tools tailor-made for cancer research.

Ambry Genetics is the latest company to debut a cancer-screening service based on array comparative genomic hybridization. But competitive offerings loom on the horizon, with new products expected from Signature Genomics and Oxford Gene Technology, among others.

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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.