Biotech company Geron, long known for its pioneering research on stem cells, has announced that it will no longer conduct such research, reports New Scientist's Andy Coghlan. Geron's stem cell program was the largest in the world, and currently runs trials to treat various disorders and diseases with stem cell therapies, including one to treat people with spinal injuries, Coghlan says.

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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.