Omics in Space

Two identical twin American astronauts will aid in the study of the long-term effects of spaceflight and weightlessness. Mark Kelly will remain Earth-bound as his twin brother Scott Kelly heads to the International Space Station for a one-year stay, Reuters reports. Mark Kelly left NASA in 2011 after his wife Gabrielle Giffords, a former US representative, was shot.

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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.