Studies by independent research teams describe epigenetic patterns associated with gestational age at birth. For the first of these studies, a Norwegian-led team took advantage of a mother and childbirth cohort from Norway, exploring relationships between gestational age — based on ultrasound measurements and mothers' last menstrual period — and array-based methylation patterns in cord blood samples from more than 1,700 newborns.

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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.