This Week in Science

In this week's Science, a team led by researchers at the Rockefeller University and Mount Sinai School of Medicine in New York report on the discovery that a single microRNA that is highly expressed in the brains of humans and mice is capable of controlling neuron excitability. The scientists created mice that expressed the small, non-coding RNA at different levels in their brains and found that underexpression of MiR-128 led to fatal seizures.

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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.