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The body's microbiota helps people and animals break down food, synthesize vitamins, and fight off nastier microbes, and Ed Yong at Not Exactly Rocket Science writes that killing off the microbiota through antibiotic use may be a factor in the rise of obesity. A new study in Nature from Martin Blaser's group at New York University School of Medicine find that giving

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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.