Caltech geneticist Giuseppe Attardi died in at his home in Altadena, Calif. last Saturday. Attardi studied mitochondria and was the first to show how mitochondrial RNA produced mRNA and the mitochondrial gene involved in that process. He also studied how mutations in mtRNA can lead to disease. Attardi was 84.

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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.